WO1998016495A1 - Processus de preparation de monoesters d'acide dicarboxylique - Google Patents
Processus de preparation de monoesters d'acide dicarboxylique Download PDFInfo
- Publication number
- WO1998016495A1 WO1998016495A1 PCT/JP1997/003682 JP9703682W WO9816495A1 WO 1998016495 A1 WO1998016495 A1 WO 1998016495A1 JP 9703682 W JP9703682 W JP 9703682W WO 9816495 A1 WO9816495 A1 WO 9816495A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- general formula
- dicarboxylic acid
- tert
- acid
- Prior art date
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 238000005809 transesterification reaction Methods 0.000 claims abstract description 46
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 150000004703 alkoxides Chemical class 0.000 claims abstract description 38
- -1 alkali metal salts Chemical class 0.000 claims abstract description 21
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 17
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims description 62
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 125000001153 fluoro group Chemical group F* 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000001624 naphthyl group Chemical group 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 125000006350 alkyl thio alkyl group Chemical group 0.000 claims description 6
- 125000003944 tolyl group Chemical group 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims 2
- 150000003512 tertiary amines Chemical class 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 49
- 230000003287 optical effect Effects 0.000 abstract description 31
- 150000002148 esters Chemical class 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007858 starting material Substances 0.000 abstract description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 96
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 52
- 235000019441 ethanol Nutrition 0.000 description 37
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- 239000008346 aqueous phase Substances 0.000 description 33
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 27
- 239000000047 product Substances 0.000 description 27
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- RSLMNCHJSYDERN-ZCFIWIBFSA-N (2r)-2-methyl-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid Chemical compound OC(=O)[C@H](C)CC(=O)OC(C)(C)C RSLMNCHJSYDERN-ZCFIWIBFSA-N 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 15
- UVQYBUYGFBXQGO-SCSAIBSYSA-N (2r)-4-methoxy-2-methyl-4-oxobutanoic acid Chemical compound COC(=O)C[C@@H](C)C(O)=O UVQYBUYGFBXQGO-SCSAIBSYSA-N 0.000 description 14
- 239000012071 phase Substances 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 239000005457 ice water Substances 0.000 description 11
- 238000003916 acid precipitation Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 7
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000004702 methyl esters Chemical class 0.000 description 6
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- VCTNZSZUTRPODK-SECBINFHSA-N (2R)-2-methyl-4-oxo-4-phenylmethoxybutanoic acid Chemical compound OC(=O)[C@H](C)CC(=O)OCC1=CC=CC=C1 VCTNZSZUTRPODK-SECBINFHSA-N 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- HGINADPHJQTSKN-UHFFFAOYSA-M 3-ethoxy-3-oxopropanoate Chemical compound CCOC(=O)CC([O-])=O HGINADPHJQTSKN-UHFFFAOYSA-M 0.000 description 4
- REIDAMBAPLIATC-UHFFFAOYSA-N 4-methoxycarbonylbenzoic acid Chemical compound COC(=O)C1=CC=C(C(O)=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- WXUAQHNMJWJLTG-GSVOUGTGSA-N (R)-methylsuccinic acid Chemical compound OC(=O)[C@H](C)CC(O)=O WXUAQHNMJWJLTG-GSVOUGTGSA-N 0.000 description 3
- CFLAHQSWDKNWPW-UHFFFAOYSA-N 3-(benzyloxy)-3-oxopropanoic acid Chemical compound OC(=O)CC(=O)OCC1=CC=CC=C1 CFLAHQSWDKNWPW-UHFFFAOYSA-N 0.000 description 3
- JJKMIZGENPMJRC-UHFFFAOYSA-N 3-oxo-3-propan-2-yloxypropanoic acid Chemical compound CC(C)OC(=O)CC(O)=O JJKMIZGENPMJRC-UHFFFAOYSA-N 0.000 description 3
- OIYTYGOUZOARSH-UHFFFAOYSA-N 4-methoxy-2-methylidene-4-oxobutanoic acid Chemical compound COC(=O)CC(=C)C(O)=O OIYTYGOUZOARSH-UHFFFAOYSA-N 0.000 description 3
- SNOPFBNMUDQLMF-UHFFFAOYSA-N 6-[(2-methylpropan-2-yl)oxy]-6-oxohexanoic acid Chemical compound CC(C)(C)OC(=O)CCCCC(O)=O SNOPFBNMUDQLMF-UHFFFAOYSA-N 0.000 description 3
- UZNLHJCCGYKCIL-UHFFFAOYSA-N 6-ethoxy-6-oxohexanoic acid Chemical compound CCOC(=O)CCCCC(O)=O UZNLHJCCGYKCIL-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 150000005690 diesters Chemical class 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- WVUCPRGADMCTBN-UHFFFAOYSA-M potassium;3-ethoxy-3-oxopropanoate Chemical compound [K+].CCOC(=O)CC([O-])=O WVUCPRGADMCTBN-UHFFFAOYSA-M 0.000 description 3
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
- ILBDCOLCHNVWNS-UHFFFAOYSA-N 4-[(2-methylpropan-2-yl)oxycarbonyl]benzoic acid Chemical compound CC(C)(C)OC(=O)C1=CC=C(C(O)=O)C=C1 ILBDCOLCHNVWNS-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 150000003983 crown ethers Chemical class 0.000 description 2
- 150000003972 cyclic carboxylic anhydrides Chemical class 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- ZFTFAPZRGNKQPU-UHFFFAOYSA-N dicarbonic acid Chemical compound OC(=O)OC(O)=O ZFTFAPZRGNKQPU-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 125000006606 n-butoxy group Chemical group 0.000 description 2
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920005906 polyester polyol Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- GPHYIQCSMDYRGJ-UHFFFAOYSA-N (3,5-dinitrophenyl)methanol Chemical compound OCC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1 GPHYIQCSMDYRGJ-UHFFFAOYSA-N 0.000 description 1
- WEIVUQFKFVBQDY-ZCFIWIBFSA-N (3r)-3-methyl-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid Chemical compound OC(=O)C[C@@H](C)C(=O)OC(C)(C)C WEIVUQFKFVBQDY-ZCFIWIBFSA-N 0.000 description 1
- DFATXMYLKPCSCX-GSVOUGTGSA-N (3r)-3-methyloxolane-2,5-dione Chemical compound C[C@@H]1CC(=O)OC1=O DFATXMYLKPCSCX-GSVOUGTGSA-N 0.000 description 1
- PLFFHJWXOGYWPR-HEDMGYOXSA-N (4r)-4-[(3r,3as,5ar,5br,7as,11as,11br,13ar,13bs)-5a,5b,8,8,11a,13b-hexamethyl-1,2,3,3a,4,5,6,7,7a,9,10,11,11b,12,13,13a-hexadecahydrocyclopenta[a]chrysen-3-yl]pentan-1-ol Chemical compound C([C@]1(C)[C@H]2CC[C@H]34)CCC(C)(C)[C@@H]1CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@@H]1[C@@H](CCCO)C PLFFHJWXOGYWPR-HEDMGYOXSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical class CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- DFATXMYLKPCSCX-UHFFFAOYSA-N 3-methylsuccinic anhydride Chemical compound CC1CC(=O)OC1=O DFATXMYLKPCSCX-UHFFFAOYSA-N 0.000 description 1
- REIDAMBAPLIATC-UHFFFAOYSA-M 4-methoxycarbonylbenzoate Chemical compound COC(=O)C1=CC=C(C([O-])=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-M 0.000 description 1
- JKTYGPATCNUWKN-UHFFFAOYSA-N 4-nitrobenzyl alcohol Chemical compound OCC1=CC=C([N+]([O-])=O)C=C1 JKTYGPATCNUWKN-UHFFFAOYSA-N 0.000 description 1
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- UGAPHEBNTGUMBB-UHFFFAOYSA-N acetic acid;ethyl acetate Chemical compound CC(O)=O.CCOC(C)=O UGAPHEBNTGUMBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010669 acid-base reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000001142 dicarboxylic acid group Chemical group 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- DECIPOUIJURFOJ-UHFFFAOYSA-N ethoxyquin Chemical group N1C(C)(C)C=C(C)C2=CC(OCC)=CC=C21 DECIPOUIJURFOJ-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- GXHFUVWIGNLZSC-UHFFFAOYSA-N meldrum's acid Chemical compound CC1(C)OC(=O)CC(=O)O1 GXHFUVWIGNLZSC-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical group O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
Definitions
- the present invention is useful as an intermediate for pharmaceuticals and agricultural chemicals, as a main raw material such as polyester polyol, nylon, fiber, lubricating oil, plasticizer or as an additive thereto or a precursor thereof.
- the present invention relates to a method for producing a dicarboxylic acid monoester useful as a starting material for synthesizing a diester by a transesterification reaction of the dicarboxylic acid monoester.
- a diester is formed as a by-product by esterification of both carboxyl groups
- a dicarboxylic acid is formed by hydrolysis of both ester groups.
- a special pressure-resistant reactor such as an autoclave is required to carry out the reaction under high pressure, so that the production cost is increased.
- two types of monoesters are simultaneously formed, and it is difficult to selectively obtain a monoester in which a carboxyl group at a desired position is monoesterified.
- transesterification of an ester with a metal alkoxide is known.
- a dicarboxylic acid monoester is used as a raw material for esterification and is subjected to transesterification with a metal alkoxide in an organic solvent
- the formation of a metal salt of dicarbonic acid monoester takes precedence over transesterification. It is thought that the desired transesterification reaction hardly progresses because the formed metal salt is hardly soluble in the organic solvent, and no examples of such a reaction have been reported.
- the present inventors have found that even if the metal salt of dicarboxylate monoester represented by the general formula (1) is formed in the reaction system, the transesterification reaction can be performed by selecting the reaction conditions. Has been found to progress satisfactorily.
- the present invention can obtain a wide variety of dicarboxylic acid monoesters in which an alkoxy group in the ester portion of a dicarboxylic acid monoester that can be synthesized by a known method is substituted with a desired alkoxy group at a high selectivity, and furthermore, can obtain an optically active compound.
- the objective is to provide a method for producing optically active dicarboxylic monoesters with low optical purity from raw materials.
- the present inventors have conducted intensive studies based on the above findings in order to achieve the above object.As a result, the present inventors have found that an alcohol and a dicarboxylic acid monoester or an alkali salt of a dicarboxylic acid monoester are subjected to transesterification in the presence of a metal alkoxide.
- a metal alkoxide By subjecting a metal alkoxide to a transesterification of a metal alkoxide with a dicarboxylic acid monoester or a dicarboxylic acid monoester metal salt in the presence of an organic solvent, a wide variety of dicarboxylic acid monoesters can be highly and selectively selected.
- the present invention was found to be achieved at a high rate, and the present invention was completed.
- the present invention relates to a method for preparing a dicarboxylic acid monoester or an alkali metal salt of a dicarboxylic acid monoester as a raw material represented by the general formula (1) and a metal alkoxide represented by the general formula (2) in the presence of an organic solvent.
- This is a method for producing a dicarboxylic acid monoester represented by the general formula (3), which is subjected to a transesterification reaction.
- R 1 OOC-(CH 2 ) m -X- (CH 2 ) deliberatelyCOOM '(1)
- R 1 is a linear or branched alkyl group having 1 to 18 carbon atoms, an alkyne alkyl group or An alkylthioalkyl group in which one or more of its hydrogen atoms may be substituted with a phenyl group, a naphthyl group, a tolyl group, or a fluorine atom, and m and n are each an integer of 0 or more and 12 or less (however, m + n ⁇ l 8), and X represents any group represented by any of the general formulas (XI) to (X5), and M 'represents a hydrogen atom or an alkali metal.
- Z ′ and Z 2 each represent a hydrogen atom, a fluorine atom, a phenyl group, a naphthyl group, or a straight or branched alkyl or alkenyl group having 12 carbon atoms. .
- Z 3, Z 4, Z ⁇ 6 are each a hydrogen atom, a fluorine atom, was a chlorine atom or shows a bromine atom.
- ⁇ 1 and ⁇ 2 have the same definition as general formula (XI)
- Z ′ and Z 2 have the same definition as in general formula (XI)
- Z 1 and Z 2 have the same definition as in general formula (XI).
- R 2 represents a linear or branched alkyl group, an alkoxyalkyl group or an alkylthioalkyl group having 1 to 18 carbon atoms, wherein at least one hydrogen atom is a phenyl group, a naphthyl group, a tolyl group. Alternatively, it may be substituted by a fluorine atom.
- M 2 represents an alkali metal.
- R 2 OOC- (CH 2 ) ra —X— (CH 2 ) n -COOM 1 (3)
- R 2 has the same definition as in the general formula (2).
- m, n, X and M 1 have the same definition as general formula (1)
- the present invention relates to a dicarboxylic acid monoester or an alkali metal salt of a dicarboxylic acid monoester as a raw material represented by the general formula (1) in the presence of the metal alkoxide represented by the general formula (2), and
- This is a method for producing a dicarboxylic acid monoester represented by the general formula (5), which comprises subjecting the alcohol represented by 4) to an ester exchange reaction.
- R 3 represents a linear or branched alkyl group, alkoxyalkyl group, or alkylthioalkyl group having 1 to 18 carbon atoms, and one or more of the hydrogen atoms is a phenyl group, a naphthyl group, or a toluene group. It may be substituted with a group or a fluorine atom.
- R 3 OOC- (CH 2 ) m —X— (CH 2 ) strange-COOM 1 (5) wherein R 3 has the same definition as in general formula (4), and m, n, X and M 1 Has the same definition as general formula (1).
- the alkali metal salt of dicarboxylic acid monoester or dicarboxylic acid monoester used as a raw material is not particularly limited as long as it is represented by the general formula (1), and may be a commercially available product or a known method. Synthetic ones can be used You.
- Examples of such alkali metal salts of dicarboxylic acid monoesters or dicarboxylic acid monoesters include, for example, adipic acid, terephthalic acid, malonic acid, methylsuccinic acid, succinic acid, itaconic acid, and citraconic acid. And monoesters such as glutaric acid and metal salts of these monoesters.
- the kind of the metal forming the metal salt is not particularly limited as long as it is an alkali metal, but potassium and sodium are preferable, and potassium is particularly preferable because the formed salt is excellent in solubility.
- the raw material monoesters may be an optically active substance.
- the metal alkoxide is not particularly limited as long as it is represented by the general formula (2), but a metal alkoxide having excellent solubility is particularly preferred. preferable.
- the type of the alkoxy group of the metal alkoxide depends on the desired dicarboxylic acid monoester, and is not particularly limited, but is preferably a methoxy group, an ethoxy group, an n-propoxy group, an n-butoxy group, and a tert-butoxy group. .
- the amount of the metal alkoxide used may be at least 1.01 mol per mol of the raw material dicarboxylic acid monoester (hereinafter also referred to as the raw material monoester). Considering the cost, the amount is preferably from 0.1 to 3 mol per mol of the raw material monoester.
- the acid-base reaction takes precedence, which is not preferable.
- the metal alkoxide to coexist in the reaction system is not particularly limited as long as it is represented by the general formula (2), Lium alkoxide is particularly preferred.
- the alkoxy group of the metal alkoxide is not particularly limited, but is preferably a methoxy group, an ethoxyquin group, an n-propoxy group, an n-butoxy group and a tert-butoxy group. However, if the alkoxy group of the starting alcohol is different from that of the metal alkoxide, a part of the ester different from the intended one will be formed. Is preferred.
- the amount of the metal alkoxide used depends on whether the raw material monoester is a dicarboxylic acid monoester. In this case, the amount may be 1.01 mol or more with respect to 1 mol of the raw material monoester, but is preferably 1.01 to 3 mol in consideration of cost. In addition, when the raw material monoester is an alkali metal salt, it may be used in an amount of 0.1 mol or more per 1 mol of the raw material monoester, but preferably 0.01 to 2 mol in consideration of cost.
- the alcohol used as a raw material is not particularly limited as long as it is represented by the general formula (4).
- examples of such alcohol include methanol, ethanol, and n-propyl.
- Alcohol linear aliphatic alcohols such as n-butyl alcohol, branched aliphatic alcohols such as isopropyl alcohol, isobutyl alcohol, tert-butyl alcohol, unsaturated aliphatics such as aryl alcohol and methallyl alcohol Alcohols, alcohols containing aromatic groups such as benzyl alcohol, 4-nitrobenzyl alcohol, 3,5-dinitrobenzyl alcohol and phenethyl alcohol, and cellsols such as ethylene glycol monomethyl ether and diethylene glycol monomethyl ether System Alcohol, and the like.
- the amount of the starting alcohol to be used is preferably 1 to 200 mol, particularly preferably 5 to 50 mol, per 1 mol of the starting monoester.
- the raw material monoester is used for the purpose of improving the solubility of the metal salt of the raw material monoester, shortening the reaction time, and improving the conversion of the transesterification reaction. It is preferred to use a large excess of the starting alcohol relative to the metal salt of the ester. If the raw material alcohol has a high boiling point due to its high boiling point and it is difficult to remove it by distillation after the reaction is completed, or if the price is high and it is desired to reduce the amount used, one mole of the raw material monoester is used. On the other hand, a small excess of the raw material alcohol can sufficiently achieve the purpose.
- the mixing order of each raw material before the reaction is not particularly limited.
- a raw material monoester is mixed with another raw material, alcohol.
- a method of adding a metal alkoxide after the addition (method A), a method of mixing a material alcohol and a metal alkoxide and then adding a material monoester (method B), a method of mixing a material monoester and a metal alkoxide.
- Method C raw material alcohol
- Method D raw material monoester
- Method D a method of adding a metal alkoxide after mixing an organic solvent and an additive with a metal alkoxide
- Method E a method of adding a raw material monoester after mixing an organic solvent and an additive with a metal alkoxide
- the mixing order of the methods A, B, D and E is preferred from the viewpoint of operability.
- the ⁇ -hydrogen of the ester may be extracted by the metal alkoxide, so that it is necessary to maintain a high optical purity of the product.
- a solvent and an additive are not necessarily required, but may be used for accelerating the reaction.
- a solvent is always used, and additives may be added as appropriate.
- Solvents that can be used include organic solvents such as benzene, nitrobenzene, aromatic hydrocarbon solvents such as toluene and xylene, tetrahydrofuran, 1,2-dimethoxetane, 1,3-dioxolan, and 1,4-dioxane.
- Ether solvents carbon disulfide, nitromethane, N, N-dimethylformamide, dimethylsulfoxide and the like.
- additives those that activate the carbonyl group of the metal alkoxide or ester, those that have the effect of increasing the solubility of the metal alkoxide or the raw material monoesters, those that have the effect of a phase transfer catalyst, and the like are preferable.
- examples of such additives include amines such as triethylamine and tetramethylenediamine, nitrogen-containing aromatic compounds such as pyridine, and quaternary compounds such as benzyltriethylammonium chloride and tetra-n-butylammonium bromide.
- crown ethers such as 18-crown-16, etc.
- those having an inclusion effect similar to crown ethers such as tetrahydrofuran, 1,2-dimethoxyethane, 1,3-dioxolan and 1,4-dioxane, etc.
- crown ethers such as tetrahydrofuran, 1,2-dimethoxyethane, 1,3-dioxolan and 1,4-dioxane, etc.
- the transesterification reaction temperature can be arbitrarily set in the range of usually from 100 to 250 ° C. Force ⁇ preferably from 180 to 200 ° C., more preferably from 120 to 150 ° C. C. Since the reaction of the present invention is an equilibrium reaction, alcohol (R′OH) generated by transesterification from the raw material monoesters is used to improve the reaction rate and conversion. It is preferable to carry out the reaction while removing it out of the reaction system by distillation or the like. Therefore, the reaction temperature is preferably a temperature higher than the boiling point or azeotropic point of the alcohol (R'OH) formed by the transesterification reaction.
- the alcohol or a solution containing the alcohol may be added to the reaction system.
- the pressure during the transesterification reaction can be arbitrarily set usually at 1 kPa to 5 MPa (absolute pressure). Practically, it is preferably 10 kPa to 1 MPa (same as above), and more preferably 80 to 12 O kPa (same as above).
- the transesterification reaction time can be arbitrarily set in the range of usually 0.01 to 100 hours, but is preferably 0.1 to 50 hours in consideration of the efficiency of the reactor.
- GC gas chromatography
- HP LC high performance liquid chromatography
- NMR NMR
- the purity of the final product was calculated from the peak area of 0 or 11 to 1 ⁇ ⁇ ⁇ ⁇ chart by the following formula.
- A represents the peak area of the target product dicarboxylic acid monoester
- B represents the sum of the peak areas of the target product and all impurities.
- C is the number of moles of the target product dicarboxylic acid monoester (calculated by dividing the weight of the final product containing impurities multiplied by the purity by the molecular weight of the target product dicarboxylate monoester).
- D represent the number of moles of the raw material monoesters.
- the ethyl alcohol produced by the transesterification reaction was distilled off together with the tert-butyl alcohol, and the same amount of tert-butyl alcohol as the tert-butyl alcohol flowed out was continuously added from the dropping funnel.
- tert-butyl alcohol was distilled off at normal pressure, the residue was allowed to cool, 80 ml of ice water was added thereto, and the mixture was washed twice with 100 ml of n-hexane twice.
- 3.96 g (0.039 mol, 1.4 equivalents) of sulfuric acid diluted in 20 ml of cold water was added to the obtained aqueous phase to carry out acid precipitation.
- the peak area ratio of the starting material monoethyl adipate to the product mono-tert-butyl adipate was 20:80.
- the aqueous phase was extracted twice with 100 ml of n-hexane, followed by washing the extracted n-hexane phase twice with 10 ml of pure water three times, and then concentrated under reduced pressure. Went.
- the actual yield at this time is 5
- methyl alcohol generated by the transesterification was distilled off together with tert-butyl alcohol, and the same amount of tert-butyl alcohol as the effluent tert-butyl alcohol was continuously added from the dropping funnel.
- tert-butyl alcohol was distilled off at normal pressure, the residue was allowed to cool, and 80 ml of ice water was added thereto. Separation washing was performed twice with hexane 10 Oml. To the resulting aqueous phase, 3.85 g (0.036 mol, 1.4 equivalents) of sulfuric acid diluted in 20 ml of cold water was added for acid precipitation.
- the peak area ratio of the raw material monomethyl terephthalate to the product terephthalic acid mono-tert-butyl ester was 66:34.
- the aqueous phase was extracted twice with 100 ml of n-hexane, and the n-hexane phase of the two extractions was washed three times with 10 ml of pure water, and then concentrated under reduced pressure. A compression operation was performed. As a result, no terephthalic acid monomethyl ester was present at all, and 2.99 terephthalic acid mono-tert-butyl ester having a purity of 94% was obtained. The actual yield at this time was 23%. Further, the spectrum of the product by 'H-NMR was as follows.
- Example 2 In the same manner as in Example 1, 5 g (0.029 mol) of potassium monoethyl malonate and 100 ml (1.305 mol) of isopropyl alcohol were charged, and potassium medium was added thereto at room temperature. When a small amount of 0.41 g (0.0059 mol, 0.2 equivalent) of toxide was poured, the reaction solution generated heat, the temperature of the solution rose to 35 ° C, and white crystals were formed in the solution. Deposited. Thereafter, the temperature was raised to 82 ° C., and the reaction was performed for 6 hours.
- the ethyl alcohol produced by the transesterification reaction was distilled off together with the isopropyl alcohol, and the same amount of isopropyl alcohol as the effluent isopropyl alcohol was continuously added from the dropping funnel.
- the isopropyl alcohol was distilled off at normal pressure, and the residue was left to cool. 100 ml of ice water was added thereto, and the mixture was washed once with 100 ml of ethyl acetate. 1 N hydrochloric acid was added to the obtained aqueous phase to adjust the pH to 2.
- the aqueous phase was extracted twice with 100 ml of ethyl acetate, and the ethyl acetate phase extracted twice was washed twice with 100 ml of pure water, and then concentrated under reduced pressure. As a result, there was no monoethyl malonate, and 4.03 malonic acid monoisopropyl ester having a purity of 95% was obtained. The actual yield at this time was 90%.
- the 1 H-NMR spectrum data of the product was as follows. 'H-NMR (CDC1 3)
- the aqueous phase was extracted twice with 100 ml of ethyl acetate, and the ethyl acetate acetate phase of the two extractions was washed twice with 100 ml of pure water, and then concentrated under reduced pressure.
- 100.83 g of malonic acid monobenzyl ester having a purity of 100! 3 ⁇ 4 was obtained.
- the actual yield at this time was 95%.
- the spectrum of the product by '-NMR was as follows.
- Example 5 Synthesis of itaconic acid-4 tert-butyl ester
- potassium-tert-butoxide (1.44 g, 0.013 mol, 1.2 equivalents) and tert-butyl alcohol (15 ml, 0.156 mol) were charged.
- a small amount of 1.5 g (0.010 mol) of itaconic acid-4-methyl ester was poured into the mixture, and the reaction solution generated heat, the liquid temperature rose to 35 ° C, and white crystals formed in the liquid. Deposited. Thereafter, the temperature was raised to 83 ° C, and the reaction was carried out for 7 hours.
- methyl alcohol produced by the transesterification was distilled off together with tert-butyl alcohol, and the same amount of tert-butyl alcohol as the effluent tert-butyl alcohol was continuously added from the dropping funnel.
- the tert-butyl alcohol was distilled off at normal pressure, the residue was allowed to cool, 26 ml of ice water was added, and the mixture was washed once with 30 ml of n-hexane. 0.74 g (0.07 mol, 1.4 equivalents) of sulfuric acid diluted in 4 ml of cold water was added to the obtained aqueous phase to carry out acid precipitation.
- the peak area ratio between the raw material itaconic acid-4-methyl ester and the product itaconic acid-4-tert-butyl ester was 61:39. .
- the aqueous phase was extracted twice with 30 ml of n-hexane, and the n-hexane phase extracted twice was washed once with 3 ml of pure water, and then concentrated under reduced pressure.
- itaconic acid-4-methyl ester was completely absent, and 0.54 g of itaconic acid-4-tert-butyl ester having a purity of 88% was obtained.
- the actual yield at this time was 24%.
- the 1 H-NMR spectrum data of the product was as follows.
- the optical purity was determined by HPLC analysis after converting the starting material (R) -methylsuccinic acid-4-benzyl ester into (R) -methylsuccinic acid with 2 equivalents of aqueous sodium hydroxide.
- the analysis conditions of HP LC are shown below.
- the raw material (R) -methylsuccinic acid-4-methyl ester was synthesized according to the method described in JP-A-8-285.
- methyl alcohol produced by the transesterification reaction was distilled off together with tert-butyl alcohol, and the same amount of tert-butyl alcohol as the effluent tert-butyl alcohol was continuously added from a dropping port.
- tert-butyl alcohol was distilled off at normal pressure, and the residue was allowed to cool.
- ice water 110 ml was added, and the mixture was washed with 100 ml of n-hexane (100 ml). I went there.
- 75.6 g (0.74 mol, 1.4 equivalents) of sulfuric acid diluted in 400 ml of cold water was added for acid precipitation.
- the molar ratio of the raw material (R) -methylsuccinic acid-4-methyl ester to the product (R) -methylsuccinic acid-4-tert-butyl ester was 25:75 (75% conversion).
- the aqueous phase was extracted twice with 150 ml of n-hexane, and then the n-hexane phase of the two extractions was washed three times with 300 ml of pure water. A concentration operation was performed.
- the optical purity is determined by using 2 equivalents of aqueous sodium hydroxide in the case of the raw material (R) -methylsuccinic acid-4-methyl ester and the product (R) -methylsuccinic acid-4-tert-butyl ester. All were converted to (R) -methylsuccinic acid with a large excess of trifluoroacetic acid and determined by HPLC analysis.
- the measurement conditions for HP LC are the same as in Example 6.
- the components in the aqueous phase were analyzed by GC, and the molar ratio of the raw material (R) -methylsuccinic acid-4-methyl ester to the product (R) -methylsuccinic acid-4-tert-butyl ester was 65: It was 35 (35% in conversion).
- the aqueous phase was extracted twice with 100 ml of n-hexane, and the extracted n-hexane phase was washed with 20 ml of pure water six times. A vacuum concentration operation was performed.
- methyl alcohol produced in the transesterification reaction was distilled off together with tert-butyl alcohol, and the same amount of tert-butyl alcohol as the effluent tert-butyl alcohol was continuously added from the dropping funnel.
- the generated methyl alcohol and tert-butyl alcohol were distilled off under reduced pressure, and the residue was allowed to cool.
- To the mixture was added ice-water (1095 ml), and n-hexane (100 ml) was added. Liquid washing was performed once. 71.0 g (0.695 mol, 1.4 equivalents) of sulfuric acid diluted in 3.55 ml of cold water was added to the obtained aqueous phase to carry out acid precipitation.
- Example 1 Synthesis of 1- (R) -methylsuccinic acid-4-tert-butyl ester A metal-tert-butoxide, an additive, and a solvent were charged, and (R) -methyl-4-succinic acid 4-methyl was added at 0 ° C. or room temperature. When the ester was added dropwise over 5 minutes, white crystals precipitated in the solution. After the transesterification, 30% cold sulfuric acid (1.4 equivalents) was added for acid precipitation. The aqueous phase was subjected to extraction with n-hexane twice, followed by washing the extracted n-hexane phase with pure water five times, followed by concentration under reduced pressure.
- tert-butyl alcohol was distilled off under reduced pressure, and the residue was allowed to cool. Then, 200 ml of ice water was added thereto, and the mixture was washed once with 20 ml of ethyl acetate. 2.93 g (0.290 mol, 1.1 equivalents) of concentrated hydrochloric acid was added to the obtained aqueous phase to carry out acid precipitation. The aqueous phase was extracted three times with 20-mL of n-hexane, and the n-hexane phase of the three extractions was washed once with 6 mL of pure water, and then concentrated under reduced pressure. Was done. as a result,
- a wide variety of dicarboxylic acid monoesters can be obtained at a high selectivity, and particularly, an optically active ester of the general formula (1) having an asymmetric center at the ⁇ -position of a carboxylic acid is used as a raw material.
- an optically active ester of the general formula (1) having an asymmetric center at the ⁇ -position of a carboxylic acid is used as a raw material.
- a main raw material or additive such as polyester polyol, nylon, fiber, lubricating oil, plasticizer, etc., or a precursor thereof.
- a dicarboxylic acid monoester useful as a raw material in the synthesis of an asymmetrical ester is obtained.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69709898T DE69709898T2 (de) | 1996-10-15 | 1997-10-14 | Verfahren zur herstellung von dicarbonsäuremonoestern |
JP51818798A JP3357076B2 (ja) | 1996-10-15 | 1997-10-14 | ジカルボン酸モノエステルの製造方法 |
EP97944111A EP0943600B1 (en) | 1996-10-15 | 1997-10-14 | Processes for the preparation of dicarboxylic acid monoesters |
US09/269,765 US6355830B1 (en) | 1996-10-15 | 1997-10-14 | Process for preparation of dicarboxylic acid monoesters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP27268296 | 1996-10-15 | ||
JP8/272682 | 1996-10-15 |
Publications (1)
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WO1998016495A1 true WO1998016495A1 (fr) | 1998-04-23 |
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PCT/JP1997/003682 WO1998016495A1 (fr) | 1996-10-15 | 1997-10-14 | Processus de preparation de monoesters d'acide dicarboxylique |
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US (1) | US6355830B1 (ja) |
EP (1) | EP0943600B1 (ja) |
JP (1) | JP3357076B2 (ja) |
CN (1) | CN1125808C (ja) |
DE (1) | DE69709898T2 (ja) |
WO (1) | WO1998016495A1 (ja) |
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US7332548B2 (en) * | 2004-03-04 | 2008-02-19 | Eastman Chemical Company | Process for production of a polyester product from alkylene oxide and carboxylic acid |
JP7062783B2 (ja) * | 2018-09-27 | 2022-05-06 | 富士フイルム株式会社 | ジカルボン酸モノエステルの製造方法 |
CN113462441B (zh) * | 2020-03-30 | 2023-01-13 | 中国石油化工股份有限公司 | 柴油抗磨剂组合物、其制备方法及柴油组合物 |
Citations (2)
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JPS5998036A (ja) * | 1982-10-26 | 1984-06-06 | アリイド・コロイド・リミテツド | ビニルエステル製造法 |
JPH04182452A (ja) * | 1990-11-19 | 1992-06-30 | Sumitomo Chem Co Ltd | 脂肪族ジカルボン酸モノエステルの製造方法 |
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JPS46485Y1 (ja) * | 1966-12-29 | 1971-01-09 | ||
US3714234A (en) | 1968-07-02 | 1973-01-30 | Rohm & Haas | Catalysts and esterification process |
US4076948A (en) * | 1968-10-10 | 1978-02-28 | El Paso Products Company | Process for treatment of adipic acid mother liquor |
US3843697A (en) * | 1971-08-26 | 1974-10-22 | G Khaidukov | Process for producing esters of monohydric alcohols and carboxylic acids by esterification thereof and removal of acidic impurities from the resulting product |
DE2324165C3 (de) * | 1973-05-12 | 1975-10-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von Dicarbonsäurediestern |
US4314071A (en) * | 1978-10-25 | 1982-02-02 | Babler James H | Method of preparing monoesters |
US4559180A (en) * | 1982-11-26 | 1985-12-17 | Bp Chemicals Limited | Transesterification of esters |
US4585889A (en) * | 1985-01-28 | 1986-04-29 | Eastman Kodak Company | Carbonylation process for the production of monoesters aromatic dicarboxylic acids from phosphonium salts |
GB8511305D0 (en) * | 1985-05-03 | 1985-06-12 | Procter & Gamble | Liquid detergent compositions |
US5047574A (en) | 1988-12-14 | 1991-09-10 | Shionogi & Co., Ltd. | Certain optically active mono esters of dicarboxylic acids |
JP2579383B2 (ja) | 1990-09-01 | 1997-02-05 | 鐘淵化学工業株式会社 | マロン酸モノt‐ブチルエステルの製造法 |
-
1997
- 1997-10-14 WO PCT/JP1997/003682 patent/WO1998016495A1/ja active IP Right Grant
- 1997-10-14 CN CN97199632A patent/CN1125808C/zh not_active Expired - Fee Related
- 1997-10-14 DE DE69709898T patent/DE69709898T2/de not_active Expired - Fee Related
- 1997-10-14 JP JP51818798A patent/JP3357076B2/ja not_active Expired - Fee Related
- 1997-10-14 US US09/269,765 patent/US6355830B1/en not_active Expired - Fee Related
- 1997-10-14 EP EP97944111A patent/EP0943600B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5998036A (ja) * | 1982-10-26 | 1984-06-06 | アリイド・コロイド・リミテツド | ビニルエステル製造法 |
JPH04182452A (ja) * | 1990-11-19 | 1992-06-30 | Sumitomo Chem Co Ltd | 脂肪族ジカルボン酸モノエステルの製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP0943600A4 * |
Also Published As
Publication number | Publication date |
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US6355830B1 (en) | 2002-03-12 |
EP0943600A4 (en) | 2000-01-05 |
CN1237152A (zh) | 1999-12-01 |
EP0943600A1 (en) | 1999-09-22 |
JP3357076B2 (ja) | 2002-12-16 |
EP0943600B1 (en) | 2002-01-02 |
DE69709898D1 (de) | 2002-02-28 |
CN1125808C (zh) | 2003-10-29 |
DE69709898T2 (de) | 2002-08-08 |
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