Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
The experimental procedures, in which specific conditions are not noted in the following examples, are generally carried out under conventional conditions or conditions recommended by the manufacturers. All raw materials without the synthesis method are purchased from manufacturers such as exploration platforms, Aladdin, Sigma-Aldrich and the like, and are all analytically pure.
Example 1
Benzyl (7-cyano-6- (4-fluoro-3- (2,2, 2-trifluoroacetylamino) phenoxy) benzo [ d ] thiazol-2-yl) carbamate
The synthetic route is as follows:
step a: synthesis of 2- (3-amino-4-fluorophenoxy) -5-nitrobenzonitrile.
To a solution of 3-amino-4-fluorophenol (3g, 22.42mmol) and 2-fluoro-5-nitrobenzonitrile (4.19g, 24.66mmol) in DMF (20mL) at room temperature was added K2CO3(4.89g, 35.4 mmol). The solution was stirred at 80 ℃ for 8h, and the solution was extracted with ethyl acetate, washed with saturated sodium chloride and dried over anhydrous sodium sulfate, insoluble material was filtered off, filtered and concentrated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 5: 1-4: 1), and the obtained solution was concentrated under reduced pressure to give 1.95g of a pale yellow solid with a yield of 35%.
Step b: synthesis of N- (5- (2-cyano-4-nitrophenoxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide.
To a solution of 2- (3-amino-4-fluorophenoxy) -5-nitrobenzonitrile (1.95g, 7.14mmol) in THF (30mL) at 0 deg.C was added trifluoroacetic anhydride (1.21mL, 8.56mmol), and the solution was stirred at room temperature for 1.5 h. The reaction mixture was diluted with ethyl acetate, washed successively with water, an aqueous sodium bicarbonate solution and saturated sodium chloride, and dried over anhydrous sodium sulfate, insoluble materials were filtered off, the filtrate was concentrated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate ═ 5: 1-4: 1), and the obtained solution was concentrated under reduced pressure to obtain 2.38g of a pale yellow solid, yield 90%.
Step c: synthesis of N- (5- (4-amino-2-cyanophenoxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide.
To N- (5- (2-cyano-4-nitrophenoxy) -2-fluorophenyl) -2,2, 2-trifluoroacetyl (2.38g, 6.45mmol) in EtOH/H2To a solution (50mL) of O (5:1) was added ammonium chloride (1.72g, 32.23mmol), then to the solution was added iron powder (1.8g, 32.23mmol), and the solution was stirred at 0 ℃ for 30min, after which the reaction was heated to 55 ℃ for 2 h. Insoluble material was then filtered off over celite, the residue was collected and the mixture was adjusted to pH 8 with sodium bicarbonate solution. The reaction mixture was diluted with DCM, dried over anhydrous sodium sulfate, the insoluble material filtered off, filtered and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 4: 1-3: 1), and the obtained solution was concentrated under reduced pressure to obtain 1.08g of a white solid with a yield of 49%.
Step d: synthesis of N- (5- ((2-amino-7-cyanobenzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide.
Potassium thiocyanate (1.104g, 11.37mmol) was suspended in acetic acid (10mL) and the solution was stirred at room temperature for 10 min. A solution of N- (5- (4-amino-2-cyanophenoxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (950mg, 2.84mmol) in acetic acid (10mL) was added to the suspension, and the mixture was further stirred at room temperature for 10min, a solution of bromine (676mg, 4.26mmol) in acetic acid (5mL) was added to the mixture, and the mixture was stirred at room temperature for 3h, the resulting yellow insoluble matter was filtered off and washed with acetic acid, the filtrate and the washing solution were combined, and the mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed successively with water, a sodium bicarbonate solution and a saturated saline solution, and dried over anhydrous sodium sulfate, the insoluble matter was filtered off, and the filtrate was concentrated under reduced pressure. The residue was purified by basic silica gel column chromatography (eluent: petroleum ether/ethyl acetate ═ 2: 1-1: 1), and the resulting solution was concentrated under reduced pressure to give 1.05g of a white solid in a yield of 95%.
Step e: synthesis of benzyl (7-cyano-6- (4-fluoro-3- (2,2, 2-trifluoroacetylamino) phenoxy) benzo [ d ] thiazol-2-yl) carbamate.
N- (5- ((2-amino-7-cyanobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (500mg, 1.26mmol) was dissolved in pyridine (10mL), benzyl chloride (428mg, 2.52mmol) was added slowly under nitrogen atmosphere, stirred at room temperature overnight, the reaction solution was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 200mg of a white solid in 30% yield.1H NMR(300MHz,DMSO-d6)δ12.56(s,1H),11.38(s,1H),8.01(d,1H,J=9Hz),7.34-7.49(m,7H),7.21-7.25(m,1H),7.13(d,1H,J=9Hz),5.31(s,2H);MS(ESI):m/z[M+H]+:531.48.
Example 2
Allyl (7-cyano-6- (4-fluoro-3- (2,2, 2-trifluoroacetylamino) phenoxy) benzo [ d ] thiazol-2-yl) carbamate
Preparation of reference example 1 with N- (5- ((2-amino-7-cyanobenzo [ d)]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (500mg, 1.26mmol) was dissolved in pyridine (10mL), allyl chloroformate (303mg, 2.52mmol) was slowly added under a nitrogen atmosphere, the mixture was stirred at room temperature overnight, the reaction solution was directly evaporated to dryness, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to yield 250mg of a white solid in 41% yield.1H NMR(300MHz,DMSO-d6)δ12.55(s,1H),11.39(s,1H),8.01(d,1H,J=9Hz),7.46(t,1H,J=9.6Hz),7.35-7.36(m,1H),7.21-7.24(m,1H),7.13(d,1H,J=9Hz),5.95-6.06(m,1H),5.28-5.45(m,2H),4.76(d,2H,J=4.8Hz);MS(ESI):m/z[M+H]+:481.33.
Example 3
Benzyl (7-cyano-6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) carbamate
The synthetic route is as follows:
step f: synthesis of benzyl (6- (3-amino-4-fluorophenoxy) -7-cyanobenzo [ d ] thiazol-2-yl) carbamate.
To a solution of sodium borohydride (280mg, 7.4mmol) in ethanol (10mL) was added methanol (0.5mL) and the product of example 1 (196mg, 0.37mmol) was added to the suspension at 0 deg.C. The reaction mixture was stirred at 0 ℃ for 0.5h, then at room temperature for 0.5h, the mixture was diluted with ethyl acetate (20mL), and the resulting mixture was filtered to concentrate the mixture in vacuo, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble material, dried under reduced pressure, and purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 2: 1-1: 1) to give 150mg of a pale yellow solid in 94% yield, which was directly subjected to the next reaction without purification.
Step g synthesis of benzyl (7-cyano-6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) carbamate.
The compound benzyl (6- (3-amino-4-fluorophenoxy) -7-cyanobenzo [ d]Thiazol-2-yl) carbamate (40mg, 0.09mmol) and 2- (3- (trifluoromethyl) phenyl) acetic acid (20mg, 0.11mmol) were dissolved in pyridine (5mL), 2- (7-oxybenzotriazole) -N, N' -tetramethyluronium Hexafluorophosphate (HATU) (68mg, 0.18mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered through insoluble sodium sulfateThe residue was dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), and recrystallized from ethyl acetate and petroleum ether to give 33mg of a white solid in a yield of 59%.1H NMR(300MHz,DMSO-d6)δ12.54(s,1H),10.22(s,1H),7.83-7.97(m,2H),7.57-7.68(m,4H),7.37-7.46(m,6H),6.98-7.07(m,2H),5.30(s,2H),3.88(s,2H);MS(ESI):m/z[M+H]+:621.39.
Example 4
N- (7-cyano-6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) nonanamide
N- (5- ((2-amino-7-cyanobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (300mg, 0.76mmol) was dissolved in pyridine (10mL), nonanoyl chloride (267mg, 1.51mmol) was added slowly under nitrogen, the reaction was stirred at room temperature overnight, the reaction was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to yield 150mg of a white solid in 31% yield. The last two steps of preparation refer to step f and step g in example 3,1H NMR(300MHz,DMSO-d6)δ12.66(s,1H),10.23(s,1H),7.98(d,1H,J=9Hz),7.82-7.85(m,1H),7.68(s,1H),7.52-7.62(m,3H),7.38(t,1H,J=9.3Hz),7.06(d,1H,J=9Hz),6.94-6.99(m,1H),3.88(s,2H),2.50-2.53(m,2H),1.60-1.62(m,2H),1.25-1.27(m,10H),0.83-0.87(m,3H);MS(ESI):m/z[M+H]+:637.40.
example 5
N- (7-cyano-6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) propanamide
N- (5- ((2-amino-7-cyanobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluoroPhenyl) -2,2, 2-trifluoroacetamide (300mg, 0.76mmol) was dissolved in pyridine (10mL), propionyl chloride (140mg, 1.51mmol) was slowly added under a nitrogen atmosphere, stirred at room temperature overnight, the reaction solution was directly evaporated to dryness, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to yield 160mg of a white solid in 39% yield. The last two steps of preparation refer to step f and step g in example 3,1H NMR(600MHz,DMSO-d6)δ12.62(s,1H),10.22(s,1H),7.97(d,1H,J=9Hz),7.82-7.86(m,1H),7.68(s,1H),7.60-7.61(m,2H),7.53-7.56(m,1H),7.37(t,1H,J=9.6Hz),7.06(d,1H,J=8.4Hz),6.96-6.97(m,1H),3.88(s,2H),2.54(q,2H,J=7.2Hz),1.12(t,3H,J=7.8Hz);MS(ESI):m/z[M+H]+:543.0.
example 6
N- (7-cyano-6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) benzamide
N- (5- ((2-amino-7-cyanobenzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (300mg, 0.76mmol) was dissolved in pyridine (10mL), benzoyl chloride (212mg, 1.51mmol) was slowly added under a nitrogen atmosphere, the mixture was stirred at room temperature overnight, the reaction solution was directly evaporated to dryness, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate ═ 3: 1-2: 1) to give 154mg of a white solid in a yield of 41%.
The last two steps of preparation refer to step f and step g in example 3,1H NMR(300MHz,DMSO-d6)δ12.21(s,1H),10.25(s,1H),8.13(d,2H,J=6.9Hz),8.02(d,1H,J=8.7Hz),7.87(s,1H),7.57-7.68(m,7H),7.38(t,1H,J=9.3Hz),6.99-7.11(m,2H),3.89(s,2H);MS(ESI):m/z[M+H]+:590.9.
example 7
N- (7-cyano-6- (4-fluoro-3- (2- (4-nitrophenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
N- (5- ((2-amino-7-cyanobenzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (526mg, 1.41mmol) was dissolved in pyridine (15mL), cyclopropanecarbonyl chloride (296mg, 2.83mmol) was slowly added under a nitrogen atmosphere, the mixture was stirred at room temperature overnight, the reaction mixture was directly evaporated to dryness, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate ═ 3: 1-2: 1) to give 515mg of white solid in 78% yield.
Preparation reference example 3 to a solution of sodium borohydride (636mg, 16.8mmol) in ethanol (20mL) was added methanol (1mL) and the product of the previous step (390mg, 0.84mmol) was added to the suspension at 0 ℃. The reaction mixture was stirred at 0 ℃ for 0.5h, then at room temperature for 0.5h, the mixture was diluted with ethyl acetate (20mL), and the resulting mixture was filtered, concentrated in vacuo, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble material, dried under reduced pressure, and purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 2: 1-1: 1) to give 300mg of a pale yellow solid in 97% yield, which was directly subjected to the next reaction without purification.
The product of the previous step (30mg, 0.08mmol) and p-nitrophenylacetic acid (18mg, 0.097mmol) were dissolved in pyridine (5mL), 2- (7-benzotriazole oxide) -N, N' -tetramethylurea hexafluorophosphate (61mg, 0.16mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), recrystallized with ethyl acetate and petroleum ether to give 33mg of a white solid with a yield of 70%.1H NMR(300MHz,DMSO-d6)δ12.98(s,1H),10.27(s,1H),8.18(d,2H,J=8.4Hz),7.95-8.00(m,1H),7.83-7.84(m,1H),7.58(d,2H,J=8.4Hz),7.37(t,1H,J=9.9Hz),7.07(d,1H,J=9Hz),6.95-6.98(m,1H),3.94(s,2H),1.98-2.04(m,1H),0.99-1.01(m,4H);MS(ESI):m/z[M+H]+:532.0.
Example 8
N- (7-cyano-6- (4-fluoro-3- (2-phenylacetylamino) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 7 was prepared by replacing p-nitroacetophenone in the last step with phenylacetic acid, dissolving phenylacetic acid (13mg, 0.097mmol) and the product of the previous step (30mg, 0.08mmol) in pyridine (5mL), adding 2- (7-benzotriazol oxide) -N, N' -tetramethylurea hexafluorophosphate (61mg, 0.16mmol) to the solution at room temperature, stirring the mixture at 80 ℃ for 3h, concentrating the reaction mixture under reduced pressure, extracting with ethyl acetate, washing with saturated sodium chloride, drying over anhydrous sodium sulfate, filtering off insoluble matter, drying under reduced pressure, purifying with silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), recrystallizing with ethyl acetate and petroleum ether to give a white solid 20mg, yield 53%.1H NMR(300MHz,DMSO-d6)δ12.99(s,1H),10.15(s,1H),7.98(d,1H,J=9Hz),7.84-7.87(m,1H),7.30-7.39(m,6H),7.06(d,1H,J=9Hz),6.94-6.98(m,1H),1.98-2.01(m,1H),0.99-1.02(m,4H);MS(ESI):m/z[M+H]+:487.0.
Example 9
N- (5- ((7-cyano-2- (cyclopropanecarboxamido) benzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -3- (trifluoromethyl) benzamide
Preparation of reference example 7, p-nitroacetoacetate in the last step was replaced with 3-trifluoromethylbenzoic acid, 3-trifluoromethylbenzoic acid (18mg, 0.097mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (5mL), and the solution was added thereto at room temperatureTo the solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (61mg, 0.16mmol), the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 20mg of white solid in 50% yield.1H NMR(300MHz,DMSO-d6)δ12.99(s,1H),10.50(s,1H),8.23-8.28(m,2H),7.97-8.06(m,2H),7.78(t,1H,J=7.8Hz),7.50-7.53(m,1H),7.43(t,1H,J=9.6Hz),7.11-7.18(m,2H),1.99-2.04(m,1H),0.99-1.02(m,4H);MS(ESI):m/z[M+H]+:541.0.
Example 10
N- (7-cyano-6- (4-fluoro-3- (2- (3-fluorophenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 7, p-nitrophenylacetic acid in the last step was replaced with 3-fluorophenylacetic acid, 3-fluorophenylacetic acid (15mg, 0.097mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (5mL), 2- (7-benzotriazole oxide) -N, N' -tetramethylurea hexafluorophosphate (61mg, 0.16mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, and purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized from ethyl acetate and petroleum ether to give 22mg of a white solid in 55% yield. ,1H NMR(300MHz,DMSO-d6)δ12.99(s,1H),10.18(s,1H),7.99(d,1H,J=9Hz),7.83-7.86(m,1H),7.31-7.40(m,2H),7.04-7.15(m,4H),6.95-6.99(m,1H),3.78(s,2H),1.98-2.04(m,1H),0.99-1.02(m,4H);MS(ESI):m/z[M+H]+:505.0.
example 11
N- (7-cyano-6- (4-fluoro-3- (2- (2-fluoro-3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 7, p-nitroacetophenone in the last step was replaced with 2-fluoro-3- (trifluoromethyl) phenylacetic acid, 2-fluoro-3- (trifluoromethyl) phenylacetic acid (29mg, 0.13mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (5mL), 2- (7-benzotriazol oxide) -N, N' -tetramethylurea hexafluorophosphate (83mg, 0.22mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble substances, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether, 33mg of a white solid was obtained in 55% yield.1H NMR(300MHz,DMSO-d6)δ12.95(s,1H),10.28(s,1H),7.98(d,1H,J=9Hz),7.82-7.85(m,1H),7.65-7.74(m,2H),7.34-7.41(m,2H),7.08(d,1H,J=9Hz),6.95-7.00(m,1H),3.96(s,2H),1.98-2.03(m,1H),0.98-1.01(m,4H);HRMS(ESI,positive)m/z calcd for C27H17F5N4O3S[M+H]+:573.1014;found 573.1024.
Example 12
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 1 to a solution of 3-amino-4-fluorophenol (3g, 23.6mmol) and 1-fluoro-4-nitrobenzene (3.6g, 25.9mmol) in DMF (30mL) at room temperature was added K2CO3(4.89g, 35.4 mmol). The solution was stirred at 80 ℃ for 8h, and the solution was extracted with ethyl acetate, washed with saturated sodium chloride and dried over anhydrous sodium sulfateThe insoluble matter was filtered off, filtered and concentrated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate ═ 5: 1-4: 1), and the obtained solution was concentrated under reduced pressure to obtain 4.3g of a pale yellow solid in a yield of 74%.
The latter three steps are carried out with reference to example 1, the fourth step is followed by the reaction preparation reference example 7, p-nitrophenylacetic acid in the last step is replaced by 3-trifluoromethylphenylacetic acid, 3-trifluoromethylphenylacetic acid (101mg, 0.41mmol) and the product of the previous step (30mg, 0.08mmol) are dissolved in pyridine (10mL), 2- (7-benzotriazol oxide) -N, N, N ', N' -tetramethyluronium hexafluorophosphate (259mg, 0.68mmol) is added to the solution at room temperature, the mixture is stirred at 80 ℃ for 3h, the reaction mixture is concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), recrystallized with ethyl acetate and petroleum ether, 100mg of a white solid was obtained in 56% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),10.11(s,1H),7.67-7.72(m,3H),7.63(d,1H,J=2.4Hz),7.59-7.61(m,2H),7.53-7.56(m,1H),7.26-7.29(m,1H),7.10(dd,1H,J=2.4,8.4Hz),6.78-6.81(m,1H),3.86(s,2H),1.98-2.00(m,1H),0.93-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C26H19F4N3O3S[M+H]+:530.1156;found 530.1169.
Example 13
N- (6- (4-fluoro-3- (2- (2-fluoro-3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 2-fluoro-3- (trifluoromethyl) phenylacetic acid, 2-fluoro-3- (trifluoromethyl) phenylacetic acid (35mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), and 2- (7-benzotriazol oxide) was added to the solution at room temperature-N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol), the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, the insoluble material was filtered, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), and recrystallized from ethyl acetate and petroleum ether to give 25mg of a white solid in 38% yield.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),10.17(s,1H),7.66-7.72(m,4H),7.63(d,1H,J=3Hz),7.37(t,1H,J=7.8Hz),7.27-7.31(m,1H),7.09(dd,1H,J=2.4,9Hz),6.79-6.82(m,1H),3.93(s,2H),1.98-2.01(m,1H),0.92-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C26H18F5N3O3S[M+H]+:548.1056;found 548.1074.
Example 14
N- (6- (3- (2- (3, 5-bis (trifluoromethyl) phenyl) acetamido) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3, 5-bistrifluoromethylphenylacetic acid, 3, 5-bistrifluoromethylphenylacetic acid (38mg, 0.14mmol) and the product of the last step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-oxybenzotriazole) -N, N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether to give 32mg of a white solid, the yield thereof was found to be 46%.1H NMR(600MHz,DMSO-d6)δ12.59(s,1H),10.15(s,1H),8.01(s,2H),7.98(s,1H),7.71(d,1H,J=9Hz),7.65-7.67(m,1H),7.62(d,1H,J=2.4Hz),7.27-7.30(m,1H),7.09(dd,1H,J=2.4,8.4Hz),6.79-6.82(m,1H),3.31(s,2H),1.98-2.01(m,1H),0.93-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C27H18F7N3O3S[M+H]+:598.1024;found 598.1032.
Example 15
N- (6- (4-fluoro-3- (2- (3-nitrophenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3-nitrophenylacetic acid, 3-nitrophenylacetic acid (25mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), to the solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 20mg of a white solid in 33% yield.1H NMR(600MHz,DMSO-d6)δ12.59(s,1H),10.14(s,1H),8.20(s,1H),8.09-8.11(m,1H),7.74-7.76(m,1H),7.70-7.71(m,2H),7.59-7.62(m,2H),7.28(t,1H,J=10.2Hz),7.09(dd,1H,J=2.4,8.4Hz),6.78-6.80(m,1H),3.92(s,2H),1.98-2.01(m,1H),0.94-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C25H19FN4O5S[M+H]+:507.1127;found 507.1151.
Example 16
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclohexanecarboxamide
The previous four steps refer to example 12, the fifth step: n- (5- (2-aminobenzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (200mg, 0.53mmol) was dissolved in pyridine (10mL), cyclohexanecarboxyl chloride (155mg, 1.06mmol) was added slowly under a nitrogen atmosphere, stirred at room temperature overnight, the reaction was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 248mg of white solid in 75% yield.
Sixth step and seventh step preparation referring to example 12,1H NMR(600MHz,DMSO-d6)δ12.23(s,1H),10.11(s,1H),7.69-7.71(m,2H),7.67(s,1H),7.62(d,1H,J=2.4Hz),7.59-7.60(m,2H),7.53-7.55(m,1H),7.28(t,1H,J=10.2Hz),7.09(dd,1H,J=2.4,9Hz),6.78-6.80(m,1H),3.86(s,2H),2.53-2.55(m,1H),1.27-1.44(m,10H);HRMS(ESI,positive)m/z calcd for C29H25F4N3O3S[M+H]+:572.1602;found 572.1633.
example 17
N- (6- (4-fluoro-3- (2- (2- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 2-trifluoromethylphenylacetic acid, 2-trifluoromethylphenylacetic acid (34mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), to the solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 20mg of a white solid with a yield of 32%.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),10.10(s,1H),7.67-7.71(m,3H),7.63(d,1H,J=2.4Hz),7.61(t,1H,J=7.8Hz),7.44-7.49(m,2H),7.22(t,1H,J=10.2Hz),7.10(dd,1H,J=2.4,8.4Hz),6.78-6.80(m,1H),4.00(s,2H),1.98-2.01(m,1H),0.94-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C26H19F4N3O3S[M+H]+:530.1156;found 530.1173.
Example 18
N- (6- (4-fluoro-3- (2- (m-tolyl) acetylamino) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3-methylphenylacetic acid, 3-methylphenylacetic acid (21mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), to the solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 21mg of a white solid with a yield of 38%.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),9.98(s,1H),7.70-7.72(m,2H),7.62(d,1H,J=2.4Hz),7.24-7.28(m,1H),7.18(t,1H,J=7.8Hz),7.08-7.11(m,3H),7.02(d,1H,J=7.2Hz),6.77-6.79(m,1H),3.67(s,2H),2.26(s,3H),1.98-2.01(m,1H),0.94-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C26H22FN3O3S[M+H]+:476.1439;found 476.1449.
Example 19
N- (6- (4-fluoro-3- (3- (3- (trifluoromethyl) phenyl) propionylamino) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid was replaced with 3-methylpropanoic acid in the last step, 3-methylpropanoic acid (30mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), to this solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 25mg of a white solid with a yield of 39%.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),9.79(s,1H),7.73(d,1H,J=11.4Hz),7.66-7.67(m,1H),7.63(d,1H,J=2.4Hz),7.59(s,1H),7.48-7.54(m,3H),7.23-7.26(m,1H),7.10(dd,1H,J=2.4,8.4Hz),6.76-6.79(m,1H),2.96(t,2H,J=8.4Hz),2.74(t,2H,J=7.8Hz),1.98-2.01(m,1H),0.94-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C27H21F4N3O3S[M+H]+:544.1313;found 544.1324.
Example 20
N- (6- (4-fluoro-3- (2- (pyridin-2-yl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 2-pyridineacetic acid hydrochloride, 2-pyridineacetic acid hydrochloride (24mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-benzotriazol oxide) -N, N, N ', N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, and anhydrous sulfurSodium acid was dried, the insoluble material was filtered, dried under reduced pressure, and purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), and recrystallized from ethyl acetate and petroleum ether to give 23mg of a white solid in a yield of 42%.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),10.21(s,1H),8.49(d,1H,J=4.2Hz),7.70-7.76(m,3H),7.63(d,1H,J=2.4Hz),7.36(d,1H,J=7.8Hz),7.25-7.29(m,2H),7.10(dd,1H,J=2.4,9Hz),6.77-6.80(m,1H),3.93(s,2H),1.98-2.01(m,1H),0.94-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C24H19FN4O3S[M+H]+:463.1325;found 463.1248.
Example 21
N- (6- (4-fluoro-3- (2- (4-fluoro-3 (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 4-fluoro-3-trifluoromethylphenylacetic acid, 4-fluoro-3-trifluoromethylphenylacetic acid (31mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-benzotriazol oxide) -N, N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble substances, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether, 26mg of a white solid was obtained in a yield of 40%.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),10.09(s,1H),7.65-7.72(m,4H),7.62(d,1H,J=2.4Hz),7.43(t,1H,J=9Hz),7.27(t,1H,J=10.2Hz),7.09(dd,1H,J=2.4,9Hz),6.78-6.81(m,1H),3.84(s,2H),1.98-2.01(m,1H),0.93-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C26H18F5N3O3S[M+H]+:548.1062;found 548.1069.
Example 22
N- (6- (3- (2- (2-chloro-3- (trifluoromethyl) phenyl) acetamido) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 2-chloro-3-trifluoromethylphenylacetic acid, 2-chloro-3-trifluoromethylphenylacetic acid (33mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-benzotriazol oxide) -N, N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble substances, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether, 21mg of a white solid was obtained in 31% yield.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),10.19(s,1H),7.74(d,1H,J=2.4Hz),7.70-7.72(m,3H),7.62(d,1H,J=2.4Hz),7.50(t,1H,J=7.8Hz),7.28(t,1H,J=9Hz),7.10(dd,1H,J=2.4,8.4Hz),6.78-6.81(m,1H),4.06(s,2H),1.98-2.01(m,1H),0.94-0.95(m,4H);MS(ESI):m/z[M+H]+:563.9.
Example 23
N- (6- (4-fluoro-3- (2- (3-methoxyphenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3-methoxyphenylacetic acid, 3-methoxyphenylacetic acid (23mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), and 2- (7-oxybenzotriazole) -N, N, N ', N' -tetramethyluronhexakis were added to the solution at room temperatureFluorophosphate (91mg, 0.24mmol), the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, the insoluble material was filtered, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), and recrystallized with ethyl acetate and petroleum ether to give 30mg of white solid in 52% yield.1H NMR(300MHz,DMSO-d6)δ12.63(s,1H),10.02(s,1H),7.70-7.73(m,2H),7.64(d,1H,J=2.4Hz),7.19-7.30(m,2H),7.10(dd,1H,J=2.4,8.7Hz),6.86-6.88(m,2H),6.77-6.81(m,2H),3.72(s,3H),3.69(s,2H),1.99-2.01(m,1H),0.94-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C26H22FN3O4S[M+H]+:492.1388;found 492.1399.
Example 24
N- (6- (4-fluoro-3- (2- (3- (trifluoromethoxy) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3-trifluoromethylphenylacetic acid, 3-trifluoromethylphenylacetic acid (31mg, 0.14mmol) and the product of the last step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-oxybenzotriazole) -N, N, N ', N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with a silica gel column (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized from ethyl acetate and petroleum ether to give 32mg of a white solid, the yield thereof was found to be 49%.1H NMR(300MHz,DMSO-d6)δ12.63(s,1H),10.11(s,1H),7.63-7.73(m,3H),7.44(t,1H,J=8.1Hz),7.22-7.34(m,4H),7.10(d,1H,J=8.7Hz),6.78-6.81(m,1H),3.80(s,1H),1.99-2.01(m,1H),0.93-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C26H19F4N3O4S[M+H]+:546.1105;found 546.1121.
Example 25
N- (6- (3- (2- (benzo [ d ] [1,3] dioxol-5-yl) acetamido) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, substituting 3-trifluoromethylphenylacetic acid in the last step for piperonylic acid, dissolving piperonylic acid (25mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) in pyridine (10mL), adding 2- (7-benzotriazol-N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) to the solution at room temperature, stirring the mixture at 80 ℃ for 3h, concentrating the reaction mixture under reduced pressure, extracting with ethyl acetate, washing with saturated sodium chloride, drying over anhydrous sodium sulfate, filtering off the insoluble matter, drying under reduced pressure, purifying with silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), recrystallizing with ethyl acetate and petroleum ether to obtain a white solid 30mg, yield 50%.1H NMR(300MHz,DMSO-d6)δ12.62(s,1H),9.96(s,1H),7.63-7.73(m,3H),7.27(t,1H,J=10.2Hz),7.10(dd,1H,J=2.4,8.7Hz),6.74-6.86(m,4H),5.96(s,2H),3.62(s,1H),1.98-2.01(m,1H),0.93-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C26H20FN3O5S[M+H]+:506.1180;found 506.1189.
Example 26
N- (6- (4-fluoro-3- (2- (6- (trifluoromethyl) pyridin-2-yl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid was replaced with 2- (6- (trifluoromethyl) pyridin-2-yl in the last step]Acetic acid, 2- (6- (trifluoromethyl) pyridine-2-Base of]Acetic acid (29mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of the insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether to give 30mg of a white solid with a yield of 41%.1H NMR(300MHz,DMSO-d6)δ12.62(s,1H),10.21(s,1H),8.03(t,1H,J=7.8Hz),7.64-7.73(m,5H),7.27(t,1H,J=9.9Hz),7.10(dd,1H,J=2.1,8.7Hz),6.79-6.83(m,1H),4.08(s,1H),1.98-2.01(m,1H),0.93-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C25H18F4N4O3S[M+H]+:531.1109;found 531.1120.
Example 27
N- (5- ((2- (cyclopropanecarboxamido) benzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) -1- (3- (trifluoromethyl) phenyl) cyclopropane-1-carboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 1- (3- (trifluoromethyl) phenyl) cyclopropane-1-carboxylic acid, 1- (3- (trifluoromethyl) phenyl) cyclopropane-1-carboxylic acid (32mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-oxybenzotriazole) -N, N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1), recrystallization from ethyl acetate and petroleum ether gave 18mg of a white solid in 29% yield.1H NMR(300MHz,DMSO-d6)δ12.64(s,1H),8.62(s,1H),7.59-7.75(m,6H),7.28-7.31(m,1H),7.22(t,1H,J=9.9Hz),7.10(dd,1H,J=2.4,8.7Hz),6.82-6.87(m,1H),1.98-2.01(m,1H),1.48-1.52(m,2H),1.18-1.25(m,2H),0.91-0.97(m,4H);MS(ESI):m/z[M+H]+:556.0.
Example 28
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclobutanecarboxamide
The previous four steps refer to example 12, the fifth step: n- (5- (2-aminobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (100mg, 0.27mmol) was dissolved in pyridine (10mL), cyclopropanecarbonyl chloride (64mg, 0.54mmol) was added slowly under nitrogen atmosphere, the reaction mixture was stirred at room temperature overnight, the reaction solution was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 75mg of a white solid in 70% yield. Sixth step and seventh step preparation referring to example 12,1H NMR(300MHz,DMSO-d6)δ12.20(s,1H),10.13(s,1H),7.68-7.71(m,3H),7.64(d,1H,J=2.4Hz),7.54-7.61(m,3H),7.28(t,1H,J=9.9Hz),7.10(dd,1H,J=2.4,8.7Hz),6.77-6.82(m,1H),3.86(s,2H),3.67-3.42(m,1H),1.80-2.28(m,6H);HRMS(ESI,positive)m/z calcd for C27H21F4N3O3S[M+H]+:544.1313;found 544.1330.
example 29
N- (6- (4-fluoro-3- (2- (1-methyl-1H-indol-3-yl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12, 3-trifluoromethylphenylacetic acid was replaced by 1-methyl-3-indole in the last stepAcetic acid, 1-methyl-3-indoleacetic acid (23mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-benzotriazole oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3h, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether to give 25mg of white solid in 38% yield.1H NMR(600MHz,DMSO-d6)δ12.59(s,1H),9.90(s,1H),7.69-7.72(m,2H),7.62(d,1H,J=2.4Hz),7.57-7.59(m,1H),7.37-7.38(m,1H),7.24-7.27(m,1H),7.21(s,1H),7.11-7.14(m,1H),7.09(dd,1H,J=3,9Hz),6.99-7.01(m,1H),6.75-6.78(m,1H),3.80(s,2H),3.74(s,3H),1.97-1.99(m,1H),0.93-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C28H23FN4O3S[M+H]+:515.1548;found 515.1560.
Example 30
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopentanecarboxamide
The previous four steps refer to example 12, the fifth step: n- (5- (2-aminobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (100mg, 0.27mmol) was dissolved in pyridine (10mL), cyclobutylcarbonyl chloride (71mg, 0.54mmol) was added slowly under nitrogen atmosphere, stirred at room temperature overnight, the reaction solution was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 80mg of a white solid in a yield of 72%. Sixth step and seventh step preparation referring to example 12,1H NMR(600MHz,DMSO-d6)δ12.30(s,1H),10.11(s,1H),7.67-7.74(m,3H),7.63(d,1H,J=1.8Hz),7.53-7.61(m,3H),7.27(t,1H,J=7.2Hz),7.10(dd,1H,J=1.8,8.4Hz),6.78-6.80(m,1H),3.86(s,2H),2.95-2.98(m,1H),1.55-1.91(m,4H);HRMS(ESI,positive)m/z calcd for C28H23F4N3O3S[M+H]+:558.1649;found 558.1477.
example 31
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) isobutyramide
The previous four steps refer to example 12, the fifth step: n- (5- (2-aminobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (100mg, 0.27mmol) was dissolved in pyridine (10mL), isopropanoyl chloride (57mg, 0.54mmol) was added slowly under nitrogen, stirred at room temperature overnight, the reaction was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 113mg of a white solid in a yield of 95%. Sixth step and seventh step preparation referring to example 12,1H NMR(300MHz,DMSO-d6)δ12.30(s,1H),10.14(s,1H),7.68-7.73(m,3H),7.64(d,1H,J=2.4Hz),7.53-7.62(m,3H),7.28(t,1H,J=10.2Hz),7.10(dd,1H,J=2.4,9.3Hz),6.77-6.82(m,1H),3.86(s,2H),2.74-2.83(m,1H),1.13-1.18(m,4H);HRMS(ESI,positive)m/z calcd for C26H21F4N3O3S[M+H]+:532.1313;found 532.1325.
example 32
N- (6- (3- (2- (3-cyanophenyl) acetylamino) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation of reference example 12 by substituting 3-trifluoromethylphenylacetic acid for 3-cyanophenylacetic acid in the last step3-cyanophenylacetic acid (23mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-oxybenzotriazole) -N, N, N ', N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether to give 32mg of white solid, yield 55%.1H NMR(300MHz,DMSO-d6)δ12.62(s,1H),10.12(s,1H),7.70-7.14(m,4H),7.62-7.64(m,2H),7.51(t,1H,J=7.8Hz),7.28(t,1H,J=9.9Hz,),7.09(dd,1H,J=2.1,8.7Hz,q),6.77-6.82(m,1H),3.83(s,2H),1.98-2.21(m,1H),0.93-0.95(m,4H);HRMS(ESI,positive)m/z calcd for C26H19FN4O3S[M+H]+:487.1352;found 487.1244.
Example 33
N- (6- (3- (2- (3, 4-dimethylphenyl) acetylamino) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3, 4-dimethylphenylacetic acid, 3, 4-dimethylphenylacetic acid (23mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), 2- (7-oxybenzotriazole) -N, N' -tetramethylurea hexafluorophosphate (91mg, 0.24mmol) was added to the solution at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with a silica gel column (eluent: petroleum ether/ethyl acetate ═ 1:1), recrystallized with ethyl acetate and petroleum ether to give 26mg of a white solid, the yield thereof was found to be 45%.1H NMR(300MHz,DMSO-d6)δ12.63(s,1H),9.96(s,1H),7.70-7.72(m,1H),7.62(d,1H,J=2.1Hz),7.26(t,1H,J=9.9Hz),6.99-7.11(m,4H),6.76-6.80(m,1H),6.77-6.80(m,1H),3.63(s,2H),2.15-2.16(m,6H),1.98-2.01(m,1H),0.94-0.96(m,4H);HRMS(ESI,positive)m/z calcd for C27H24FN3O3S[M+H]+:490.1595;found 490.1597.
Example 34
N- (6- (4-fluoro-3- (2- (3- (trifluoromethyl) phenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) tetrahydro-2H-pyran-4-carboxamide
The previous four steps refer to example 12, the fifth step: n- (5- (2-aminobenzo [ d ]]Thiazol-6-yl) oxy) -2-fluorophenyl) -2,2, 2-trifluoroacetamide (100mg, 0.27mmol) was dissolved in pyridine (10mL), tetrahydropyran-4-carbonyl chloride (80mg, 0.54mmol) was added slowly under nitrogen atmosphere, stirred at room temperature overnight, the reaction solution was evaporated to dryness directly, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 3: 1-2: 1) to give 128mg of a white solid in 98% yield. Sixth step and seventh step preparation referring to example 12,1H NMR(300MHz,DMSO-d6)δ12.35(s,1H),10.13(s,1H),7.68-7.73(m,3H),7.64(d,1H,J=2.4Hz),7.53-7.61(m,3H),7.28(t,1H,J=10.2Hz),7.10(dd,1H,J=2.4,8.7Hz),6.77-6.80(m,1H),3.86-3.92(m,4H),3.35-3.72(m,2H),2.76-2.83(m,1H),1.68-1.79(m,4H);HRMS(ESI,positive)m/z calcd for C28H23F4N3O4S[M+H]+:574.1418;found 574.1428.
example 35
N- (6- (4-fluoro-3- (2- (3-hydroxyphenyl) acetamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Preparation reference example 12, 3-trifluoromethylphenylacetic acid in the last step was replaced with 3-hydroxyphenylacetic acid, 3-hydroxyphenylacetic acid (21mg, 0.14mmol) and the product of the previous step (30mg, 0.08mmol) were dissolved in pyridine (10mL), to the solution was added 2- (7-benzotriazol oxide) -N, N' -tetramethyluronium hexafluorophosphate (91mg, 0.24mmol) at room temperature, the mixture was stirred at 80 ℃ for 3 hours, the reaction mixture was concentrated under reduced pressure, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), and recrystallized with ethyl acetate and petroleum ether to give 26mg of a white solid with a yield of 46%.1H NMR(300MHz,DMSO-d6)δ12.63(s,1H),9.99(s,1H),9.33(s,1H),7.70-7.75(m,2H),7.64(d,1H,J=2.4Hz),7.27(t,1H,J=10.5Hz),7.05-7.12(m,2H),6.70-6.80(m,3H),6.62(d,1H,J=9Hz),3.62(s,1H)1.98-1.99(m,1H),0.93-0.95(m,4H);MS(ESI):m/z[M+H]+:478.0.
Example 36
N- (6- (4-fluoro-3- (3- (3- (trifluoromethyl) phenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
The synthetic route is as follows:
step g-1: synthesis of N- (6- (4-fluoro-3- (3- (3- (trifluoromethyl) phenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropane carboxamide.
The compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), the compound 1-isocyanato-3- (trifluoromethyl) benzene (32mg, 0.17mmol) was added and stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, the insoluble filtered, dried under reduced pressure and purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), giving 20mg of a pale yellow solid in 32% yield.1H NMR(600MHz,DMSO-d6)δ12.60(s,1H),9.43(s,1H),8.75(s,1H),7.90-7.93(m,2H),7.72(d,1H,J=9Hz),7.63(d,1H,J=2.4Hz),7.49-7.53(m,2H),7.25-7.32(m,2H),7.12(dd,1H,J=2.4,9Hz),6.66-6.68(m,1H),1.97-2.01(m,1H),0.94-0.96(m,4H).HRMS(ESI,positive)m/z calcd for C25H18F4N4O3S[M+H]+:531.1109;found 531.1118.
Example 37
N- (6- (4-fluoro-3- (3- (4- (trifluoromethoxy) phenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 4-trifluoromethoxyphenyl isocyanate (34mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of the insoluble, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1) to give 3mg of a pale yellow solid in a yield of 0.04%.1H NMR(300MHz,DMSO-d6)δ12.63(s,1H),9.29(s,1H),8.71(s,1H),7.90(dd,1H,J=2.7,6.6Hz),7.74(d,1H,J=8.7Hz),7.66(d,1H,J=2.1Hz),7.49-7.54(m,2H),7.23-7.30(m,3H),7.13(dd,1H,J=2.1,8.7Hz),6.64-6.69(m,1H),1.91-2.04(m,1H),0.94-0.97(m,4H);HRMS(ESI,positive)m/z calcd for C25H20FN3O4S[M+H]+:547.1058;found 547.1066.
Example 38
N- (6- (4-fluoro-3- (3- (3-methoxyphenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
By referring to the synthetic route of example 36, willCompound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 3-methoxyphenyl isocyanate (25mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of the insoluble, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1) to give 32mg of a pale yellow solid in a yield of 54%.1H NMR(600MHz,DMSO-d6)δ12.81(s,1H),9.12(s,1H),8.86(s,1H),7.90-7.93(m,1H),7.72(d,1H,J=8.4Hz),7.63(d,1H,J=2.4Hz),7.23-7.27(m,1H),7.10-7.18(m,3H),6.89(d,1H,J=9.6Hz),6.63-6.65(m,1H),6.57(dd,1H,J=1.2,7.2Hz),3.71(s,3H),1.97-2.01(m,1H),0.93-0.96(m,4H);
Example 39
N- (6- (4-fluoro-3- (3- (m-tolyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 3-methylphenyl isocyanate (23mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of the insoluble, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1) to give 32mg of a pale yellow solid in a yield of 56%.1H NMR(600MHz,DMSO-d6)δ12.62(s,1H),9.03(s,1H),8.65(s,1H),7.95-7.96(m,1H),7.72(d,1H,J=8.4Hz),7.63(d,1H,J=2.4Hz),7.11-7.27(m,5H),6.78(d,1H,J=7.2Hz),6.62-6.65(m,1H),2.25(s,3H),1.98-2.01(m,1H),0.94-0.95(m,4H).
Example 40
3- (3- (5- ((2- (cyclopropanecarboxamido) benzo [ d ] thiazol-6-yl) oxy) -2-fluorophenyl) ureido) benzoic acid ethyl ester
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), then 3- (ethoxycarbonyl) phenyl isocyanate (30mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), yielding 35mg of a pale yellow solid in 55% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),9.35(s,1H),8.66(s,1H),8.07-8,.08(m,1H),7.91-7.93(m,1H),7.73(d,1H,J=9Hz),7.65(d,1H,J=3.6Hz),7.56-7.61(m,2H),7.41(t,1H,J=8.4Hz),7.24-7.28(m,1H),7.12-7.14(m,1H),6.65-6.68(m,1H),4.29(q,2H,J=7.2Hz),1.98-2.01(m,1H),1.30(t,3H,J=7.2Hz),0.94-0.95(m,4H).
EXAMPLE 41
N- (6- (3- (3- (3-acetylphenyl) ureido) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 3-acetylphenyl isocyanate (27mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified with silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), yielding 30mg of a pale yellow solid in 50% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),9.32(s,1H),8.69(s,1H),7.98(t,1H,J=2.4Hz),7.91-7.93(m,1H),7.73(d,1H,J=9Hz),7.58-7.65(m,3H),7.42(t,1H,J=7.8Hz),7.25-7.28(m,1H),7.12(dd,1H,J=2.4,8.4Hz),6.65-6.67(m,1H),2.54(s,3H),1.97-2.01(m,1H),0.93-0.96(m,4H).
Example 42
N- (6- (3- (3- (3-bromophenyl) ureido) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 3-bromophenyl isocyanate (30mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of insoluble matter, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate ═ 1:1), yielding 35mg of a pale yellow solid in 54% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),9.26(s,1H),8.71(s,1H),7.89-7.91(m,1H),7.79(t,1H,J=1.8Hz),7.73(d,1H,J=8.4Hz),7.63(d,1H,J=2.4Hz),7.21-7.27(m,3H),7.12-7.16(m,2H),6.65-6.68(m,1H),1.99-2.01(m,1H),0.94-0.96(m,4H).
Example 43
N- (6- (4-fluoro-3- (3- (3- (trifluoromethyl) phenyl) thioureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 36, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) was dissolved in DMF (5mL), 3- (trifluoromethyl) phenyl isothiocyanate (34mg, 0.17mmol) was added, stirred at room temperature for 12h, diluted with ethyl acetate, washed with sodium bicarbonate solution and saturated sodium chloride, dried over anhydrous sodium sulfate, filtered of the insoluble, dried under reduced pressure, purified by silica gel chromatography (eluent: petroleum ether/ethyl acetate 1:1) to obtainTo a pale yellow solid, 12mg, yield 18%.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),10.22(s,1H),9.78(s,1H),7.94-7.95(m,1H),7.72-7.75(m,2H),7.66(d,1H,J=2.4Hz),7.56(t,1H,J=7.8Hz),7.46-7.49(m,1H),7.37-7.38(m,1H),7.28-7.31(m,1H),7.14(dd,1H,J=2.4,8.4Hz),6.92-6.95(m,1H),1.97-2.01(m,1H),0.93-0.96(m,4H).
Example 44
N- (6- (4-fluoro-3- (3- (3- (trifluoromethoxy) phenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
The synthetic route is as follows:
step g-2 Synthesis of N- (6- (4-fluoro-3- (3- (trifluoromethoxy) phenyl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide.
3- (trifluoromethoxy) aniline (50mg, 0.28mmol) was dissolved in dry DCM (5mL), triethylamine (56mg, 0.52mmol) and triphosgene (27mg, 0.094mmol) were added to the reaction solution, and after stirring at room temperature for three hours, N- (6- (3-amino-4-fluorophenoxy) benzo [ d ] was added to the reaction solution]Thiazol-2-yl) cyclopropanecarboxamide (96mg, 0.28mmol) was reacted for 2h, the reaction was evaporated to dryness and the residue was purified directly on a chromatographic column (eluent: dichloromethane/methanol 100:3) to yield 32mg of a white solid in 20% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),9.40(s,1H),8.73(s,1H),7.89-7.91(m,1H),7.72(d,1H,J=8.4Hz),7.61-7.64(m,2H),7.39(t,1H,J=8.4Hz),7.24-7.29(m,2H),7.12(dd,1H,J=2.4,8.4Hz),6.94-6.96(m,1H),6.65-6.68(m,1H),1.97-2.01(m,1H),0.93-0.96(m,4H).
Example 45
N- (6- (4-fluoro-3- (3- (6- (trifluoromethyl) pyridin-2-yl) ureido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 44, 2-amino-6- (trifluoromethyl) pyridine (45mg, 0.28mmol) was dissolved in dry DCM (5mL), triethylamine (56mg, 0.52mmol) and triphosgene (27mg, 0.094mmol) were added to the reaction solution, and after stirring at room temperature for three hours, N- (6- (3-amino-4-fluorophenoxy) benzo [ d ] was added to the reaction solution]Thiazol-2-yl) cyclopropanecarboxamide (96mg, 0.28mmol) was reacted for 2h, the reaction was evaporated to dryness and the residue was purified directly on a chromatographic column (eluent: dichloromethane/methanol 100:3) to yield 30mg of a white solid in 20% yield.1H NMR(600MHz,DMSO-d6)δ12.61(s,1H),10.25(s,1H),10.09(s,1H),7.97-8.02(m,2H),7.80-7.81(m,1H),7.73(d,1H,J=8.4Hz),7.65(d,1H,J=2.4Hz),7.51(d,1H,J=7.8Hz),7.28-7.31(m,1H),7.13(dd,1H,J=3,8.4Hz),6.70-6.72(m,1H),1.97-2.01(m,1H),0.93-0.96(m,4H).
Example 46
N- (6- (4-fluoro-3- ((3- (trifluoromethyl) benzyl) amino) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
The synthetic route is as follows:
step g-3: synthesis of N- (6- (4-fluoro-3- ((3- (trifluoromethyl) benzyl) amino) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide.
The compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) and 3- (trifluoromethyl) benzaldehyde (21mg, 0.12mmol) were dissolved in methanol (5mL) and 1 drop of acetic acid was added for catalysis, stirred at room temperature overnight, sodium cyanoborohydride (15mg, 0.24mmol) was added, stirred overnight, the solvent was evaporated to dryness, purified by silica gel chromatography (eluent: dichloromethane/methanol 100:3) to yield 19mg of a white solid in 32% yield.1HNMR(300MHz,DMSO-d6)δ12.59(s,1H),7.44-7.65(m,6H),6.91-7.04(m,2H),6.55(d,1H,J=5.1Hz),6.25(dd,1H,J=2.4,7.2Hz),6.08-6.10(m,1H),4.38(d,2H,J=5.7Hz),1.98-2.02(m,1H),0.93-0.94(m,4H);HRMS(ESI,positive)m/z calcd for C25H19F4N3O2S[M-H]-:500.1061;found 500.1046.
Example 47
N- (6- (3- ((benzo [ d ] [1,3] dioxol-5-ylmethyl) amino) -4-fluorophenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
Referring to the synthetic route of example 46, the compound N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (40mg, 0.12mmol) and piperonal (18mg, 0.12mmol) were dissolved in methanol (5mL) and 1 drop of acetic acid was added for catalysis, stirred at room temperature overnight, sodium cyanoborohydride (15mg, 0.24mmol) was added, stirred overnight, the solvent was evaporated to dryness, purified by silica gel chromatography (eluent: dichloromethane/methanol 100:3) to yield 15mg of a white solid in 26% yield.1H NMR(300MHz,DMSO-d6)δ12.59(s,1H),7.64(d,1H,J=8.7Hz),7.47(d,1H,J=2.1Hz),6.95-7.01(m,2H),6.84-6.85(m,1H),6.69-6.78(m,2H),6.30-6.41(m,1H),6.23(dd,1H,J=2.7,7.5Hz),6.05-6.10(m,1H),5.95-5.97(s,2H),4.17(d,2H,J=5.4Hz),1.95-2.04(m,1H),0.93-0.96(m,4H);MS(ESI):m/z[M+H]+:478.0.
Example 48
N- (6- (4-fluoro-3- ((3- (trifluoromethyl) phenyl) sulfonamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide
The synthetic route is as follows:
step g-4: synthesis of N- (6- (4-fluoro-3- ((3- (trifluoromethyl) phenyl) sulfonamido) phenoxy) benzo [ d ] thiazol-2-yl) cyclopropanecarboxamide.
N- (6- (3-amino-4-fluorophenoxy) benzo [ d]Thiazol-2-yl) cyclopropanecarboxamide (50mg, 0.14mmol) was dissolved in pyridine (10mL), and 3- (trifluoro-3) was slowly added under a nitrogen atmosphereMethyl) benzenesulfonyl chloride (68mg, 0.28mmol), stirred at room temperature overnight, the reaction solution was directly evaporated to dryness, extracted with ethyl acetate, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, and the residue was purified by silica gel column chromatography (eluent: petroleum ether/ethyl acetate 2: 1-1: 1) to give 32mg of a white solid in 42% yield.1H NMR(600MHz,DMSO-d6)δ12.64(s,1H),10.48(s,1H),8.01(d,1H,J=7.8Hz),7.94-7.98(m,2H),7.80(t,1H,J=7.8Hz),7.71(d,1H,J=8.4Hz),7.60(d,1H,J=3Hz),7.20(t,1H,J=9.6Hz),7.01(dd,1H,J=2.4,9Hz),6.88-6.91(m,1H),6.74-6.75(m,1H),1.98-2.01(m,1H),0.95-0.96(m,4H);MS(ESI):m/z[M+H]+:551.9.
Example 49
RPK1, RIPK3 kinase assays
Using KINOMEscanTMThe kinase activity of the synthetic compounds and partial intermediates of examples 1-48 of the invention, and the comparative compound TAK-632 on RIPK1 and RIPK3 was tested by the RIPK1 and RIPK3 kinase detection methods.
DNA-labeled RIPK1 and RIPK3 kinase-labeled T7 phage strain lysates were detected using qPCR. The kinase, ligand affinity beads and test compound were combined in binding buffer (20% SeaBlock, 0.17 × PBS, 0.05% Tween 20, 6mM DTT). The compounds were diluted 3-fold, set at 10 points, incubated with shaking for 1h at room temperature, and the beads were washed with wash buffer (1 × PBS, 0.05% Tween 20), then resuspended in elution buffer (1 × PBS, 0.05% Tween 20, 0.5 μ M non-biotinylated affinity ligand), and incubated with shaking for 30min at room temperature. K was calculated by qPCR measurement of kinase concentration in the eluatedThe values, calculated as follows (Hill Slope set to-1), are shown in Table 1:
example 50
Anti-apoptosis assay
Tumor cells were induced by addition of TNF-. alpha. (20ng/ml) after 30min pretreatment with z-VAD-fmk (20. mu.M) and Smac mimic (10nM)Necrosis of the head. The synthetic compounds of examples 1-48 of the invention, the comparative compound TAK-632, and the cells of the combination were incubated for 16 hours. Cell activity was tested using the CellTiter-Glo luminescent cell viability assay kit (Promega). Chemiluminescence values were recorded using a BioTek 312e microplate reader (BioTek Instruments, Winooski, VT) and IC calculated50The values, results are shown in Table 1.
TABLE 1 RIPK1, RIPK3 kinase Activity and anti-apoptotic Activity of Compounds
N.d. means no test
The experimental results show that the benzothiazole derivative has excellent anti-cell necrosis activity, is obviously superior to positive control TAK-632, has different degrees of RIPK activity improved compared with TAK-632, can be used as an RIPK1/RIPK3 double-target inhibitor or an RIPK1/RIPK3 selective inhibitor, is used for preparing anti-TNF-induced systemic immune syndrome (SIRS) and anti-acetaminophen (APAP) -induced hepatotoxicity drugs, and is used for preparing anti-Alzheimer disease, anti-ischemic cardiomyopathy, anti-ischemic stroke, anti-atherosclerosis, anti-acute pancreatitis, anti-children inflammatory bowel disease, anti-sepsis, anti-Salmonella infection, anti-Listeria infection, anti-vaccinia virus infection and other inflammation or infection related diseases.
Therefore, the compound and the salt thereof can be used for preparing the anti-programmed cell necrosis inhibitor.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.