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Title:
NOVEL CARBAPENEM TYPE ANTIBIOTIC AND ITS PREPARATION
Document Type and Number:
Japanese Patent JPS5795988
Kind Code:
A
Abstract:

NEW MATERIAL:A compound shown by the formulaI(R is or sulfonic group; X is Cl), its salt or ester.

EXAMPLE: Disodium salt of (5R, 6R)-3-(2-acetamido-1-chloroethenylsulfinyl)-6- (2-hydroxysulfonyloxy-2-propyl)-7-oxo-1-azabicyclo-[3,2,0]hept-2-ene-2 carboxylic acid.

USE: An antibacterial agent. Having inhibiting action on β-lactamase, and improved stability in a living body.

PROCESS: A compound shown by the formula II or its salt or its ester is reacted with chlorine and a base (e.g., triethylamine) to give a compound shown by the formulaI. The reaction is preferably carried out in an inert organic solvent (e.g., CH2Cl2) at a low temperature of -100W0°C.


Inventors:
NAKAYAMA MASATO
KIMURA SHIGERU
MIZOGUCHI TOSHIMI
TANABE SOUHEI
MORI TOSHITO
Application Number:
JP17132480A
Publication Date:
June 15, 1982
Filing Date:
December 04, 1980
Export Citation:
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Assignee:
KOWA CO
International Classes:
C07D477/00; A61K31/397; A61K31/40; A61P31/04; C07D487/04; (IPC1-7): A61K31/40; C07D487/04



 
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