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JPS53137986A - Novel esters of cephem compounds and process for their preparation - Google Patents

Novel esters of cephem compounds and process for their preparation

Info

Publication number
JPS53137986A
JPS53137986A JP5068877A JP5068877A JPS53137986A JP S53137986 A JPS53137986 A JP S53137986A JP 5068877 A JP5068877 A JP 5068877A JP 5068877 A JP5068877 A JP 5068877A JP S53137986 A JPS53137986 A JP S53137986A
Authority
JP
Japan
Prior art keywords
preparation
cephem compounds
novel esters
esters
cephem
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.)
Pending
Application number
JP5068877A
Other languages
Japanese (ja)
Inventor
Masao Seki
Takeshi Nishihata
Akira Nakabayashi
Toshinori Saito
Hitoshi Ikeda
Giyu Ito
Shokichi Nakajima
Shunzo Fukatsu
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.)
Meiji Seika Kaisha Ltd
Original Assignee
Meiji Seika Kaisha 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 Meiji Seika Kaisha Ltd filed Critical Meiji Seika Kaisha Ltd
Priority to JP5068877A priority Critical patent/JPS53137986A/en
Priority to US05/898,613 priority patent/US4225706A/en
Priority to GB16454/78A priority patent/GB1594890A/en
Priority to DE19782819511 priority patent/DE2819511A1/en
Priority to FR7813181A priority patent/FR2389632B1/fr
Priority to IT22980/78A priority patent/IT1096261B/en
Publication of JPS53137986A publication Critical patent/JPS53137986A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cephalosporin Compounds (AREA)

Abstract

PURPOSE: Esters of cephem cpds. I [A is II (R2 and R3 are H or methyl; R4 is 1 - 6C alkyl, 6 - 8C aryl or 6 - 8C aralkyl; X is 0 or S; m is 0 or 1; n is 1 or 2); R1 is an amino protecting gp.; Y - R5 is 0-acyl, S-heterocyclic ring or H; z is 0 or 1I, e.g. 1-oxo-N-benzoylcephalosporin-C-di-β-methoxyethoxymethyl.
COPYRIGHT: (C)1978,JPO&Japio
JP5068877A 1977-05-04 1977-05-04 Novel esters of cephem compounds and process for their preparation Pending JPS53137986A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP5068877A JPS53137986A (en) 1977-05-04 1977-05-04 Novel esters of cephem compounds and process for their preparation
US05/898,613 US4225706A (en) 1977-05-04 1978-04-21 Polychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the same
GB16454/78A GB1594890A (en) 1977-05-04 1978-04-26 Ester of cephem compound process for preparing thesame and method for removing the protective group of the same
DE19782819511 DE2819511A1 (en) 1977-05-04 1978-05-03 NEW ESTERS OF CEPHEM COMPOUNDS, METHOD OF MAKING THEM AND METHOD FOR REMOVING THE PROTECTIVE GROUP
FR7813181A FR2389632B1 (en) 1977-05-04 1978-05-03
IT22980/78A IT1096261B (en) 1977-05-04 1978-05-03 SPECIAL FOREIGN OF CEFEM, PROCEDURE TO PREPARE IT AND METHOD TO REMOVE THE PROTECTIVE GROUP FROM THE SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5068877A JPS53137986A (en) 1977-05-04 1977-05-04 Novel esters of cephem compounds and process for their preparation

Publications (1)

Publication Number Publication Date
JPS53137986A true JPS53137986A (en) 1978-12-01

Family

ID=12865857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5068877A Pending JPS53137986A (en) 1977-05-04 1977-05-04 Novel esters of cephem compounds and process for their preparation

Country Status (1)

Country Link
JP (1) JPS53137986A (en)

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