Title:
NOVEL CARBAPENEM TYPE ANTIBIOTIC AND ITS PREPARATION
Document Type and Number:
Japanese Patent JPS57108091
Kind Code:
A
Abstract:
NEW MATERIAL:A compound shown by the formulaI(R is H or sulfonic group; X is iodine atom), its salt or ester.
EXAMPLE: Disodium salt of (5R,6R)-3-(2-acetamido-1-iodoethenylsulfinyl)-6-(2-hydroxysulfonyloxy-2-propyl)-7-oxo-1-azabicyclo[3,2,0]hepto-2-ene-2-carboxylic acid.
USE: An antibacterial agent. Having antibacterial activity and β-lactamase inhibiting action, and high stability in a living body.
PROCESS: A compound shown by the formula II or its salt or ester is reacted with an iodinating agent (e.g., I2, ICl) to give a compound shown by the formulaI. The reaction is preferably carried out in an inert solvent (e.g., CH2Cl2) in the presence of a base (e.g., TEA) at a low temperature of -100W0°C.
Inventors:
NAKAYAMA MASATO
KIMURA SHIGERU
MIZOGUCHI TOSHIMI
TANABE SOUHEI
MORI TOSHITO
KIMURA SHIGERU
MIZOGUCHI TOSHIMI
TANABE SOUHEI
MORI TOSHITO
Application Number:
JP18468880A
Publication Date:
July 05, 1982
Filing Date:
December 25, 1980
Export Citation:
Assignee:
KOWA CO
International Classes:
C07D477/00; A61K31/397; A61K31/40; A61P31/04; C07D487/04; (IPC1-7): A61K31/40; C07D487/04