KR850007060A - Method for preparing 7-amino-3- (5-methyl-1,3,4-thiadiazol-2-yl) thiomethyl-3-cepem-4-carboxylic acid - Google Patents

Method for preparing 7-amino-3- (5-methyl-1,3,4-thiadiazol-2-yl) thiomethyl-3-cepem-4-carboxylic acid Download PDF

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Publication number
KR850007060A
KR850007060A KR1019840001279A KR840001279A KR850007060A KR 850007060 A KR850007060 A KR 850007060A KR 1019840001279 A KR1019840001279 A KR 1019840001279A KR 840001279 A KR840001279 A KR 840001279A KR 850007060 A KR850007060 A KR 850007060A
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KR
South Korea
Prior art keywords
cepem
thiomethyl
thiadiazol
amino
methyl
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KR1019840001279A
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Korean (ko)
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KR860001087B1 (en
Inventor
1) 채정석(외
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박춘거
주식회사 유한양행
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Priority to KR1019840001279A priority Critical patent/KR860001087B1/en
Publication of KR850007060A publication Critical patent/KR850007060A/en
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Publication of KR860001087B1 publication Critical patent/KR860001087B1/en

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Abstract

내용 없음No content

Description

7-아미노-3-(5-메틸-1,3,4-티아디아졸-2-일)티오메틸-3-세펨-4-카르복실산의 제조방법Method for preparing 7-amino-3- (5-methyl-1,3,4-thiadiazol-2-yl) thiomethyl-3-cepem-4-carboxylic acid

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (1)

하기 구조식(Ⅱ)로 표시되는 물질과 (Ⅳ)로 표시되는 물질을 탈수적 축합제 존재하에 0-50℃에서 반응시켜 동일반응계내에서 치환과 환화반응을 동시에 진행됨을 특징으로 하여 물질(Ⅰ)을 제조하는 방법.Subsequently, the substance represented by Structural Formula (II) and the substance represented by (IV) are reacted at 0-50 ° C. in the presence of a dehydrating condensing agent, thereby simultaneously performing substitution and cyclization in the same reaction system. How to prepare. (단, M은 알카리금속임.)(Wherein M is an alkali metal) ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840001279A 1984-03-14 1984-03-14 Process for preparing cephalosporanic acid derivatives KR860001087B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019840001279A KR860001087B1 (en) 1984-03-14 1984-03-14 Process for preparing cephalosporanic acid derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840001279A KR860001087B1 (en) 1984-03-14 1984-03-14 Process for preparing cephalosporanic acid derivatives

Publications (2)

Publication Number Publication Date
KR850007060A true KR850007060A (en) 1985-10-30
KR860001087B1 KR860001087B1 (en) 1986-08-07

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Application Number Title Priority Date Filing Date
KR1019840001279A KR860001087B1 (en) 1984-03-14 1984-03-14 Process for preparing cephalosporanic acid derivatives

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KR (1) KR860001087B1 (en)

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Publication number Publication date
KR860001087B1 (en) 1986-08-07

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