KR890002176A - New Cefem Compounds - Google Patents

New Cefem Compounds Download PDF

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Publication number
KR890002176A
KR890002176A KR1019870007003A KR870007003A KR890002176A KR 890002176 A KR890002176 A KR 890002176A KR 1019870007003 A KR1019870007003 A KR 1019870007003A KR 870007003 A KR870007003 A KR 870007003A KR 890002176 A KR890002176 A KR 890002176A
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KR
South Korea
Prior art keywords
formula
compound
group
carboxy
dihydroxyphenyl
Prior art date
Application number
KR1019870007003A
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Korean (ko)
Inventor
조성기
배현수
이상무
유무영
Original Assignee
손영희
제일제당 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 손영희, 제일제당 주식회사 filed Critical 손영희
Priority to KR1019870007003A priority Critical patent/KR890002176A/en
Publication of KR890002176A publication Critical patent/KR890002176A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음No content

Description

신규한 세펨 화합물New Cefem Compounds

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

Claims (2)

구조식(Ⅰ)로 표시되는 화합물.The compound represented by structural formula (I). 상기식중, Et는 에틸기, R1은 페닐, 4-히드록시페닐, 2,3-디히드록시페닐, 또는 1-히드록시에틸기를 나타내며, R2은 카르복시 또는 보호된 카르복시기를 나타낸다.Wherein Et represents an ethyl group, R 1 represents a phenyl, 4-hydroxyphenyl, 2,3-dihydroxyphenyl, or 1-hydroxyethyl group, and R 2 represents a carboxy or protected carboxy group. 다음 구조식(Ⅲ)의 화합물과 구조식(Ⅱ)의 산 또는 이에 상응하는 반응성 유도체를 아실화시켜 얻은 구조식(Ⅳ)의 화합물을 산 가수분해시켜 구조식(Ⅰ)의 세펨 화합물을 제조하는 방법.A process for preparing a cefem compound of formula (I) by acid hydrolysis of a compound of formula (IV) obtained by acylating a compound of formula (III) and an acid of formula (II) or a corresponding reactive derivative thereof. 상기식에서 Et는 에틸이고 R1은 페닐, 4-히드록시페닐, 2,3-디히드록시페닐, 또는 1-히드록시에틸기를 나타내며, R2은 카르복시 또는 보호된 카르복시기를 나타낸다.Wherein Et is ethyl and R 1 represents phenyl, 4-hydroxyphenyl, 2,3-dihydroxyphenyl, or 1-hydroxyethyl group, and R 2 represents carboxy or protected carboxyl group. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870007003A 1987-07-01 1987-07-01 New Cefem Compounds KR890002176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870007003A KR890002176A (en) 1987-07-01 1987-07-01 New Cefem Compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870007003A KR890002176A (en) 1987-07-01 1987-07-01 New Cefem Compounds

Publications (1)

Publication Number Publication Date
KR890002176A true KR890002176A (en) 1989-04-08

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Application Number Title Priority Date Filing Date
KR1019870007003A KR890002176A (en) 1987-07-01 1987-07-01 New Cefem Compounds

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KR (1) KR890002176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100404784B1 (en) * 2000-07-15 2003-11-07 손인조 A dyeing method of raw ramie cloth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100404784B1 (en) * 2000-07-15 2003-11-07 손인조 A dyeing method of raw ramie cloth

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