.beta.-Lactam antibacterial compounds, their preparation and pha

Details .beta.-Lactam antibacterial compounds, their preparation and pha .beta.-Lactam antibacterial compounds, their preparation and pha

1981-02-10

1983-10-04

Lee, Mary C.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Fungus, except allergen, or component thereof or substance...

260239A, 2602452T, 424114, 424263, 424274, 546272, C07D48704, A61K 3140

Patent

active

044078153

ABSTRACT:
The present invention provides the compounds of the formula (II): ##STR1## and pharmaceutically acceptable salts and cleavable esters thereof wherein RCONH is an organic acylamino group and E is a carboxy group or pharmaceutically acceptable salt or ester thereof or is a cyano group. Their preparation is described as is their use in compositions containing them. Compounds wherein RCONH is replaced by an azido group are described as useful intermediates.

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