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CN112624956A - Novel process for preparing 3-indolesulfonic acid derivatives - Google Patents

Novel process for preparing 3-indolesulfonic acid derivatives Download PDF

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CN112624956A
CN112624956A CN201910951188.0A CN201910951188A CN112624956A CN 112624956 A CN112624956 A CN 112624956A CN 201910951188 A CN201910951188 A CN 201910951188A CN 112624956 A CN112624956 A CN 112624956A
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indolesulfonic
indolesulfonic acid
acid derivative
acid derivatives
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Lanzhou University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04Indoles; Hydrogenated indoles
    • C07D209/30Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
    • C07D209/32Oxygen atoms
    • C07D209/36Oxygen atoms in position 3, e.g. adrenochrome

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Abstract

本发明提供了3‑吲哚磺酸衍生物新型制备方法,通过改变技术路线,实现了一锅一次纯化的方法,高产率的得到了1位修饰的3‑吲哚磺酸衍生物。此方法操作简单,反应条件温和,试剂廉价易得,产率高,一次性分离提纯,适合大量生产,合成的目标产物,可与载体蛋白偶联,表达特异性抗体识别3‑吲哚磺酸,为检测尿毒症提供了物质基础和技术路线。The present invention provides a novel preparation method of 3-indole sulfonic acid derivatives. By changing the technical route, a one-pot purification method is realized, and the 1-position modified 3-indole sulfonic acid derivatives are obtained in high yield. This method is simple in operation, mild in reaction conditions, cheap and easy to obtain reagents, high in yield, one-time separation and purification, suitable for mass production, and the synthesized target product can be coupled with carrier protein to express specific antibodies that recognize 3-indolesulfonic acid , provides the material basis and technical route for the detection of uremia.

Description

Novel process for preparing 3-indolesulfonic acid derivatives
Technical Field
The invention belongs to the field of organic synthesis, and particularly relates to a preparation method of a 3-indolsulfonic acid derivative.
Background
Uremia is the terminal stage of chronic renal failure and is a common clinical syndrome of various end-stage renal diseases. In clinical manifestations of patients, metabolic disorders are generally manifested by accumulation of protein metabolites, including urea, guanidine compounds, creatinine, amines, indoles, phenols, and middle molecular weight substances. Indoles, amines and phenols are toxins produced by the metabolism of uremic bacteria. The indolesulfonic acid compounds are considered to be one of the major causes of uremia, and the content of indolesulfuric acid in serum of patients with chronic renal failure has increased by about 60-fold. Therefore, the determination of the concentration of 3-indolesulfonic acid in serum is of great significance for the examination and diagnosis of uremia. Traditionally, serum uremic toxins have been monitored and analyzed primarily by gas chromatography and high performance liquid chromatography. Although these methods are excellent in both sensitivity and accuracy, they have high requirements for instrumentation and equipment and high dependence on instrumentation and analysis. Therefore, the preparation of the 3-indonesulfonic acid compound with 1-position derivatization of a specific functional group, the coupling of the 3-indonesulfonic acid compound with an antibody and the preparation of a specific detection 3-indonesulfonic acid antibody have important significance.
Structure of 3-indolesulfonic acid derivative:
Figure BDA0002225755450000011
the technical route previously reported for 3-indolesulfonic acid derivatives:
Figure BDA0002225755450000021
the preparation of the derivative is carried out by the technical route of the prior patent (JPH 10265457A): the method of three-pot and three-time purification is adopted, the steps are long, and the introduction of amine functional groups adopts a protection-deprotection strategy.
The preparation of the derivative, the reagent used in the prior patent (JPH10265457A) comprises: toxic benzylamine, expensive transition metal reagent palladium carbon and flammable and explosive hazardous gas hydrogen.
The preparation of the derivative is complicated in the process used in the prior patent (JPH 10265457A): the post-treatment is complex, three steps of purification are needed, not only the loss of compounds but also the waste of solvents are caused, and the environmental pollution and the cost are increased; at the same time, the hydrogenation operation is strictly complicated.
The total yield of the derivative in the prior patent (JPH 10265457A): because the polarity of the compounds is large, silica gel columns and palladium carbon are seriously adsorbed, the compound loss is caused by purification, and the total yield in three steps is only 23 percent.
Disclosure of Invention
The technical route for synthesizing the 3-indolesulfonic acid derivative adopted by the invention is as follows:
Figure BDA0002225755450000022
the specific operation for synthesizing the 3-indolesulfonic acid derivative adopted by the invention is as follows: dissolving 3-indolsulfonic acid potassium salt (50.3mg,0.2 mmol,1.0 equivalent) in 1mL DMF, adding 60% NaH (16mg,0.4mmol,2.0 equivalent) at zero degree, stirring at zero degree for half an hour, adding epichlorohydrin (16 uL, 0.4mmol,2.0 equivalent), stirring at room temperature for three hours, allowing LC-MS detection raw material to disappear (mass spectrum negative ion absorption, M-H ═ 268.0), adding water for quenching, removing DMF under reduced pressure, directly adding ammonia reagent group, sealing for reaction overnight, and allowing LC-MS detection raw material to reactThe material disappeared and the product formed (ms anion M-H285.0), HPLC (C18, 10% -75% MeOH/H)2O) purification to give the title compound (29mg, 51% yield).
The specific operation for synthesizing the 3-indolesulfonic acid derivative adopted by the invention is as follows: dissolving 3-indolsulfonic acid potassium salt (1.06g,4mmol, 1.0 equivalent) in 15mL DMF, adding 60% NaH (320mg,8mmol,2.0 equivalent) at zero degree, stirring at zero degree for half an hour, adding epichlorohydrin (320 uL, 8mmol,2.0 equivalent), stirring at room temperature for three hours later, allowing LC-MS detection raw material to disappear (mass spectrometry negative ion absorption, M-H ═ 268.0), adding water for quenching, removing DMF under reduced pressure, directly adding ammonia reagent group, sealing for reaction overnight, allowing LC-MS detection raw material to disappear, and generating a product (mass spectrometry negative ion M-H ═ 285.0), and performing HPLC (C18, 10% -75% MeOH/H)2O) purification to give the title compound (585mg, 51% yield).
The synthetic method of the 3-indonesulfonic acid derivative has the advantages of simple operation, one-pot method, mild reaction conditions, no toxic reagent, cheap and easily-obtained reagent, high yield of the target product, easy separation and purification, one-time purification and suitability for mass production. The efficient selective synthesis of the 3-indolesulfonic acid derivative has great significance for detecting, diagnosing and treating uremia.
The hydrogen spectrum characterization of the synthesized 3-indole sulfonic acid derivative is as follows:1h NMR (300MHz, DMSO-d6) δ 7.50 (d, J ═ 7.8Hz,1H),7.43(d, J ═ 8.3Hz,1H),7.18(s,1H),7.10(t, J ═ 7.6Hz,1H),6.97(t, J ═ 7.4 Hz,1H),5.76(bs,2H), 4.25-4.05 (m,2H), 4.04-3.91 (m,1H),2.83(dd, J ═ 12.8,3.2Hz,1H), 2.67(dd, J ═ 12.8,9.0Hz,1H) calculated: [ M-H ]]-,C11H13N2O5S285.0, actual negative ion peak: [ M-H ]]-, C11H13N2O5S=285.0
Drawings
FIG. 1 is a hydrogen spectrum of the synthesized 3-indolesulfonic acid derivative.
FIG. 2 is a mass spectrum-negative ion absorption of the synthesized 3-indolesulfonic acid derivative.

Claims (4)

1.3-吲哚磺酸衍生物新型制备方法,其中化合物结构为:1. Novel preparation method of 3-indolesulfonic acid derivatives, wherein the compound structure is:
Figure FDA0002225755440000012
Figure FDA0002225755440000012
(1)方法一:3-吲哚磺酸衍生物的制备方法:3-吲哚磺酸钾溶于DMF中,于零度下加入60%的NaH,而后缓慢升温至室温,搅拌半个小时,再加入环氧氯丙烷,室温搅拌三小时,LC-MS检测原料消失,质谱负离子,加入水淬灭,减压除去DMF,直接加入氨试剂基,密封反应过夜,LC-MS检测原料消失,质谱负离子,HPLC提纯得到目标化合物。(1) Method 1: the preparation method of 3-indolesulfonic acid derivative: potassium 3-indolesulfonic acid is dissolved in DMF, 60% of NaH is added at zero degrees, and then the temperature is slowly raised to room temperature, stirred for half an hour, Then add epichlorohydrin, stir at room temperature for three hours, LC-MS detects the disappearance of raw materials, mass spectrometry negative ions, adds water to quench, removes DMF under reduced pressure, directly adds amino reagent group, seals the reaction overnight, LC-MS detects the disappearance of raw materials, mass spectrometry Negative ions were purified by HPLC to obtain the target compound.
Figure FDA0002225755440000011
Figure FDA0002225755440000011
2.根据权利要求1所述的3-吲哚磺酸衍生物的制备方法,该专利仅仅采用的氨试剂为NH3/甲醇、NH3/乙醇、NH3/1,4-二氧六环或者氨水作为亲核试剂。2. the preparation method of 3-indolesulfonic acid derivative according to claim 1, the ammonia reagent that this patent only adopts is NH3 /methanol, NH3 /ethanol, NH3 /1,4-dioxane Or ammonia water as a nucleophile. 3.根据权利要求1所述的3-吲哚磺酸衍生物的制备方法,其特征在于:化合物1/环氧氯丙烷/NH3摩尔比为=(1/1.5/10)所用的亲核试剂为胺的甲醇溶液。3. the preparation method of 3-indolesulfonic acid derivative according to claim 1, is characterized in that: compound 1 /epichlorohydrin/NH mol ratio is=(1/1.5/10) used nucleophilic The reagent is an amine in methanol. 4.根据权利要求1所述的3-吲哚磺酸衍生物的制备方法,其特征在于:采用一锅、一次提纯的方法。4. the preparation method of 3-indolesulfonic acid derivative according to claim 1, is characterized in that: adopt the method of one-pot, one-time purification.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10265457A (en) * 1997-03-19 1998-10-06 Kureha Chem Ind Co Ltd Indoxyl sulfate derivative, antigen, antibody and detection of indoxyl sulfate using the same
CN101434571A (en) * 2007-11-13 2009-05-20 杭州容立医药科技有限公司 Cycloalkano [1,2-b] indole sulfonic acid amide, and method for synthesizing isomer or salt thereof
CN102272128A (en) * 2008-11-06 2011-12-07 弗特克斯药品有限公司 Modulators of ATP-binding cassette transporters
US20120035346A1 (en) * 2009-01-15 2012-02-09 Terpetschnig Ewald A Luminescent compounds
CN105348268A (en) * 2015-09-24 2016-02-24 四川大学 Substituted carbazole-indole sulfonate derivative, and preparation method therefor and use thereof
CN106946758A (en) * 2017-03-07 2017-07-14 丽水学院 A kind of synthetic method of 3 (trifluoroacetyl) indole derivativeses

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10265457A (en) * 1997-03-19 1998-10-06 Kureha Chem Ind Co Ltd Indoxyl sulfate derivative, antigen, antibody and detection of indoxyl sulfate using the same
CN101434571A (en) * 2007-11-13 2009-05-20 杭州容立医药科技有限公司 Cycloalkano [1,2-b] indole sulfonic acid amide, and method for synthesizing isomer or salt thereof
CN102272128A (en) * 2008-11-06 2011-12-07 弗特克斯药品有限公司 Modulators of ATP-binding cassette transporters
US20120035346A1 (en) * 2009-01-15 2012-02-09 Terpetschnig Ewald A Luminescent compounds
CN105348268A (en) * 2015-09-24 2016-02-24 四川大学 Substituted carbazole-indole sulfonate derivative, and preparation method therefor and use thereof
CN106946758A (en) * 2017-03-07 2017-07-14 丽水学院 A kind of synthetic method of 3 (trifluoroacetyl) indole derivativeses

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
YONG-LIANG ZHAO,等: "Identification of Racemic and Chiral Carbazole Derivatives Containing an Isopropanolamine Linker as Prospective Surrogates against Plant Pathogenic Bacteria: In Vitro and In Vivo Assays and Quantitative Proteomics", 《JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY》 *
花林: "Fischer法合成吲哚磺酸类化合物的研究", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅰ辑》 *

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Application publication date: 20210409