JPS51125397A - A process for preparing 3-methylene cephalosporin derivatives - Google Patents

A process for preparing 3-methylene cephalosporin derivatives

Info

Publication number
JPS51125397A
JPS51125397A JP4740675A JP4740675A JPS51125397A JP S51125397 A JPS51125397 A JP S51125397A JP 4740675 A JP4740675 A JP 4740675A JP 4740675 A JP4740675 A JP 4740675A JP S51125397 A JPS51125397 A JP S51125397A
Authority
JP
Japan
Prior art keywords
methylene
preparing
cephalosporin derivatives
formula
cephalosporin
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP4740675A
Other languages
Japanese (ja)
Other versions
JPS612673B2 (en
Inventor
Yataro Ichikawa
Koji Nakagawa
Hideki Tsuruta
Eiji Yoshida
Hisao Yamaguchi
Yoshinori Kato
Takeo Oba
Kenji Ozawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
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.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP4740675A priority Critical patent/JPS51125397A/en
Publication of JPS51125397A publication Critical patent/JPS51125397A/en
Publication of JPS612673B2 publication Critical patent/JPS612673B2/ja
Granted legal-status Critical Current

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  • Cephalosporin Compounds (AREA)

Abstract

PURPOSE: A process for preparing 3-methylene cephalosporin derivatives of formula II,in high yeild,by ring enlargement reaction,directly from penicillinS-oxides of formula I.
COPYRIGHT: (C)1976,JPO&Japio
JP4740675A 1975-04-21 1975-04-21 A process for preparing 3-methylene cephalosporin derivatives Granted JPS51125397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4740675A JPS51125397A (en) 1975-04-21 1975-04-21 A process for preparing 3-methylene cephalosporin derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4740675A JPS51125397A (en) 1975-04-21 1975-04-21 A process for preparing 3-methylene cephalosporin derivatives

Publications (2)

Publication Number Publication Date
JPS51125397A true JPS51125397A (en) 1976-11-01
JPS612673B2 JPS612673B2 (en) 1986-01-27

Family

ID=12774228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4740675A Granted JPS51125397A (en) 1975-04-21 1975-04-21 A process for preparing 3-methylene cephalosporin derivatives

Country Status (1)

Country Link
JP (1) JPS51125397A (en)

Also Published As

Publication number Publication date
JPS612673B2 (en) 1986-01-27

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