Title:
BETA-LACTAM
Document Type and Number:
Japanese Patent JPS60185778
Kind Code:
A
Abstract:
The novel compounds of the formula I wherein R1 is hydrogen, a residue readily removable by reduction, lower 1-hydroxyalkyl or lower alkanoyl and R2 is hydrogen, or each of R1 and R2 is a residue readily removable by reduction; R3 is hydrogen or lower alkyl; R4 is hydrogen or a readily removable protecting group; and A is lower alkylidene or (C5-7)-cycloalkylidene, are valuable intermediates for the manufacture of antimicrobially-active beta -lactams.
Inventors:
ERUBIN GETSUCHI
KURISUCHIYAN YUBUSHIYUBERURAN
KURISUCHIYAN YUBUSHIYUBERURAN
Application Number:
JP24352284A
Publication Date:
September 21, 1985
Filing Date:
November 20, 1984
Export Citation:
Assignee:
HOFFMANN LA ROCHE
International Classes:
A61K31/395; A61K31/397; A61P31/04; C07D317/00; C07D405/04; C07D477/00; C07F7/10; (IPC1-7): A61K31/395; C07D205/00; C07D317/00; C07D405/04; C07D487/04; C07F7/10
Attorney, Agent or Firm:
Heikichi Odashima