Title:
PENICILIN DERIVATIVES AND PROCESS FOR THEIR PREPARATION
Document Type and Number:
Japanese Patent JPS53121783
Kind Code:
A
Abstract:
PURPOSE: Isoanhydropenicillin derivs. I(R1 is H; R2 is H or acyl; R1 together with R2 forms dibasic carboxylic acid acyl gp.; A is H, alkoxy, acyloxy, carbamoyloxy or azide), e.g. 2R, 5R, 6R-2-(propene-2-yl)-6-phenylacetamido3,7-dioxo-4-thia-1-azaicyclo[3,2,0Sheptane(benzylisoanhydropenicillin).
Inventors:
SHIMIZU BUNJI
SAITOU AKIO
SAITOU AKIO
Application Number:
JP2236977A
Publication Date:
October 24, 1978
Filing Date:
March 02, 1977
Export Citation:
Assignee:
SANKYO CO
International Classes:
C07D499/06; C07D499/00; C07D499/893; C07D499/897; (IPC1-7): C07D499/00; C07D499/06