Title:
CEPHALOSPORINE DERIVATIVE, ITS PRODUCTION AND ANTIBACTERIAL PHARMACEUTICAL COMPOSITION CONTAINING SAID DERIVATIVE
Document Type and Number:
Japanese Patent JPS61178989
Kind Code:
A
Abstract:
An antibacterial cephalosporin derivative of the formula I:- …… in which X is S, O, CH2 or SO; R2 is hydrogen, methoxy or formylamino; R3 is carboxy or a biodegradable ester thereof; R1 represents a variety of groups known in the cephalosporin art and R4 represents a group NR42R43 wherein R42 is hydrogen, lower alkyl or benzyl and R43 is one of a group of neutral heterocyclic species defined in the specification. Pharmaceutical compositions, manufacturing processes and intermediates are also described.
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Inventors:
FUREDERIKU ANRI YUNGU
Application Number:
JP26628085A
Publication Date:
August 11, 1986
Filing Date:
November 28, 1985
Export Citation:
Assignee:
ICI PHARMA
International Classes:
A61K31/435; A61K31/535; A61K31/545; A61K31/546; A61P31/04; C07D253/06; C07D253/075; C07D275/03; C07D463/00; C07D471/04; C07D501/16; C07D501/46; C07D505/00; C07D275/02; (IPC1-7): A61K31/435; A61K31/535; A61K31/545; C07D205/00; C07D221/00; C07D253/06; C07D471/04; C07D498/04; C07D501/16
Attorney, Agent or Firm:
Toshio Yano
Previous Patent: JPS61178988
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