Syn 7-oxoimino substituted derivatives of cephalosporanic acid
AssigneeFujisawa Pharmaceutical Co., Ltd.
InventorsTakao Takaya, Takashi Masugi, Hisashi Takasugi, Hiromu Kochi
Life of this patent
Estimating the term…
Abstract
The present invention relates to new syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof. More particularly, it relates to new syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and pharmaceutically acceptable salts thereof which have antibacterial activities and to processes for the preparation thereof, to pharmaceutical composition comprising the same, and to a method of using the same therapeutically in the treatment of infectious diseases in human beings and animals.
Claims5
Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds of the formula:
- ##STR24## wherein R.sup.2 is lower alkyl;
- R.sup.3 is carboxy or protected carboxy;
- and
- R.sup.4 is lower alkanoyloxymethyl;
- and pharmaceutically acceptable salts thereof.
Dependencies are inferred from the claim text.