beta-LACTAM COMPOUNDS AND PROCESS FOR THEIR PREPARATION

Title:

beta-LACTAM COMPOUNDS AND PROCESS FOR THEIR PREPARATION

Document Type and Number:

WIPO Patent Application WO/1987/007603

Kind Code:

A1

Abstract:

beta-Lactam compounds represented by general formula (I), wherein R1 and R2 are unified to form an oxygen atom or, when one of them represents a hydrogen atom, the other represents a hydroxy group or a protected hydroxy group, R3 represents a hydrogen atom or a protective group for a hydroxy group, and R4 represents a hydrogen atom or a protective group for an amino group and a process for their preparation. The compounds are useful as starting materials for synthesizing carbapenem antibiotics.

Inventors:

TERASHIMA SHIRO (JP)
ITO YOSHIO (JP)
KAWABATA TAKEO (JP)

Application Number:

PCT/JP1987/000354

Publication Date:

December 17, 1987

Filing Date:

June 05, 1987

Export Citation:

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Assignee:

SAGAMI CHEM RES (JP)

International Classes:

C07D205/08; (IPC1-7): C07D205/08

Foreign References:

JPH0632765A

1994-02-08

Other References: