KR960007601A - How to prepare cefem derivatives - Google Patents

How to prepare cefem derivatives Download PDF

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Publication number
KR960007601A
KR960007601A KR1019940020023A KR19940020023A KR960007601A KR 960007601 A KR960007601 A KR 960007601A KR 1019940020023 A KR1019940020023 A KR 1019940020023A KR 19940020023 A KR19940020023 A KR 19940020023A KR 960007601 A KR960007601 A KR 960007601A
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South Korea
Prior art keywords
methoxyimino
iii
reaction
methoxybenzyl
compound
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KR1019940020023A
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Korean (ko)
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KR0130941B1 (en
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강태원
최경석
최윤환
함정엽
이성윤
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유영학
주식회사 미원
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/02Preparation
    • C07D501/04Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
    • C07D501/06Acylation of 7-aminocephalosporanic acid
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/207-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/247-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

본 발명은 세펨 유도체를 제조하기 위한 신규한 방법을 제공한다. 본 발명의 방법에 따르면 하기 일반식(Ⅱ)의 2-(Z)-메톡시이미노-2-(2-아미노티아졸-4-일)-아세트산을 트리에틸아민 존재하에 트리틸클로라이드와 반응시켜 하기 일반식(Ⅲ)의 2-(Z)-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)-아세트산을 제조 하고; 얻어진 화합물을(Ⅲ)을 수용성 또는 비수용성 용매중에서 트리에틸아민의 존재하에 오염화인을 이용하여 클로리네이션시켜 하기 일반식(Ⅳ)의 2-(Z)-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)-아세틸클로라이드를 제조하며; 얻어진 화합물(Ⅵ)의 수용성 또는 비수용성 용매중에서 탄산수소나트륨 수용액 존재하에 하기 일반식(Ⅴ)의 p-메톡시벤질(6R, 7R)-7-아미노-3-클로로메틸-세펨-4-카르복실레이트(CMC)와 반응시켜 하기 일반식(Ⅰ)의 p-메톡시벤질(6R, 7R)-7-[(Z)-2-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)아세트아미도]-3-클로로메틸세펨-4-카르복실레이트를 제조한다.The present invention provides a novel method for preparing cefem derivatives. According to the method of the present invention, 2- (Z) -methoxyimino-2- (2-aminothiazol-4-yl) -acetic acid of formula (II) is reacted with tritylchloride in the presence of triethylamine 2- (Z) -methoxyimino-2- (2-tritylaminothiazol-4-yl) -acetic acid of the following general formula (III) was prepared; The obtained compound was cloned (III) using phosphorus pentachloride in the presence of triethylamine in an aqueous or non-aqueous solvent to give 2- (Z) -methoxyimino-2- (2- Tritylaminothiazol-4-yl) -acetylchloride; P-methoxybenzyl (6R, 7R) -7-amino-3-chloromethyl-cepem-4-car of the following general formula (V) in the presence of an aqueous sodium hydrogencarbonate solution in an aqueous or non-aqueous solvent of the obtained compound (VI). P-methoxybenzyl (6R, 7R) -7-[(Z) -2-methoxyimino-2- (2-tritylaminothiazole- of the following general formula (I): 4-yl) acetamido] -3-chloromethylcefe-4-carboxylate is prepared.

Description

세펨 유도체를 제조하는 방법How to prepare cefem derivatives

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (7)

하기 일반식(Ⅱ)의 2-(Z)-메톡시이미노-2-(2-아미노티아졸-4-일)-아세트산을 아세토니트릴중에서 트리에틸아민 존재하에 트리틸클로라이드와 반응시켜 하기 일반식(Ⅲ)의 2-(Z)-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)-아세트산을 제조하고; 얻어진 화합물(Ⅲ)을 수용성 또는 비수용성 용매중에서 트리에틸아민의 존재하에 오염화인을 이용하여 클로리네이션시켜 하기 일반식(Ⅳ)의 2-(Z)-에톡시이미노-2-(2-트리틸아미노티아졸-4-일)-아세틸클로라이드를 제조하며; 얻어진 화합물(Ⅴ)를 수용성 또는 비수용성 용매중에서 탄산수소나트륨 수용액 존재하에 하기 일반식(Ⅴ)의 p-메톡시벤질(6R, 7R)-7-아미노-3-클로로메틸-3-세펨-4-카르복실레이트(CMC)와 반응시켜 하기 일반식(Ⅰ)의 p-메톡시벤질(6R, 7R)-7-[(Z)-2-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)아세트아미도]-3-클로로메틸세펨-4-카르복실레이트를 제조함을 특징으로 하는 p-메톡시벤질(6R, 7R)-7-[(Z)-2-메톡시이미노-2-(2-트리틸아미노티아졸-4-일)아세트아미도]-3-클로로메틸세펨-4-카르복실레이트의 제조방법.2- (Z) -methoxyimino-2- (2-aminothiazol-4-yl) -acetic acid of formula (II) is reacted with tritylchloride in acetonitrile in the presence of triethylamine 2- (Z) -methoxyimino-2- (2-tritylaminothiazol-4-yl) -acetic acid of (III) was prepared; The obtained compound (III) was cloned using phosphorus pentachloride in the presence of triethylamine in an aqueous or non-aqueous solvent to give 2- (Z) -ethoxyimino-2- (2-tri) of the following general formula (IV). Ylaminothiazol-4-yl) -acetylchloride; P-methoxybenzyl (6R, 7R) -7-amino-3-chloromethyl-3-cepem-4 of formula (V) Reacted with -carboxylate (CMC) p-methoxybenzyl (6R, 7R) -7-[(Z) -2-methoxyimino-2- (2-tritylaminothia) P-methoxybenzyl (6R, 7R) -7-[(Z) -2-meth, characterized by preparing zol-4-yl) acetamido] -3-chloromethylcefe-4-carboxylate. A process for preparing methoxyimino-2- (2-tritylaminothiazol-4-yl) acetamido] -3-chloromethylcefe-4-carboxylate. 제1항에 있어서, 각 단계의 반응은 테트라하이드로퓨란, 아세토니트릴, 디클로로메탄, 아세톤, 벤젠, 클로로포름, 에틸아세테이트 및 사염화탄소로 구성된 군에서 선택된 1종 또는 2종 이상의 용매중에서 실시함을 특징으로 하는 방법.The reaction of claim 1, wherein the reaction in each step is carried out in one or two or more solvents selected from the group consisting of tetrahydrofuran, acetonitrile, dichloromethane, acetone, benzene, chloroform, ethyl acetate and carbon tetrachloride. Way. 제1항에 있어서, 화합물(Ⅲ)를 제조하는 반응은 60∼90℃에서 실시함을 특징으로 하는 방법.The process according to claim 1, wherein the reaction for preparing compound (III) is carried out at 60 to 90 ° C. 제1항에 있어서, 화합물(Ⅳ)를 제조하는 반응 -20∼0℃에서 실시함을 특징으로 하는 방법.The process according to claim 1, wherein the reaction is carried out at -20 to 0 캜 to prepare compound (IV). 제1항에 있어서, 화합물(Ⅲ)에 대한 오염화인의 비율은 1.0∼3.0당량임을 특징으로 하는 방법.The method according to claim 1, wherein the ratio of phosphorus pentachloride to compound (III) is 1.0 to 3.0 equivalents. 제1항에 있어서, 탄산수소나트륨의 사용량은 오염화인에 대하여 5.0∼8.0당량임을 특징으로 하는 방법.The method according to claim 1, wherein the amount of sodium bicarbonate used is 5.0 to 8.0 equivalents based on phosphorus pentachloride. 제1항에 있어서, 화합물(Ⅰ)을 제조하는 반응 0∼20℃의 온도에서 실시함을 특징으로 하는 방법.The process according to claim 1, wherein the reaction is carried out at a temperature of 0 to 20 占 폚 for producing compound (I). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940020023A 1994-08-13 1994-08-13 Process for preparing spermidin derivatives KR0130941B1 (en)

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KR1019940020023A KR0130941B1 (en) 1994-08-13 1994-08-13 Process for preparing spermidin derivatives

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KR1019940020023A KR0130941B1 (en) 1994-08-13 1994-08-13 Process for preparing spermidin derivatives

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KR960007601A true KR960007601A (en) 1996-03-22
KR0130941B1 KR0130941B1 (en) 1998-04-16

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