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US 4,729,992 AGranted
Cephalosporin esters, their production and use
AssigneeTatsuo Chemical Ind., Ltd.
InventorsTatsuo Nishimura, Yoshinobu Yoshimura, Mitsuo Numata
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Abstract
A compound of the formula: ##STR1## or a pharmaceutical acceptable salt thereof, processes for preparing the same and a pharmaceutical composition containing the compound or the salt thereof mentioned above are provided. The compound has antibiotic activity and has improved absorbability.
Claims5
A compound of the formula:
- wherein R.sub.1 is a cycloalkyl having 5-7 carbon atoms group;
- and R.sub.2 is a cycloalkyl having 5-7 carbon atoms, or a pharmaceutically acceptable salt thereof.
A pharmaceutical composition comprising a compound of the formula:
- ##STR29## wherein R.sub.1 is a cycloalkyl having 5-7 carbon atoms group;
- and R.sub.2 is a cycloalkyl having 5-7 carbon atoms, or a pharmaceutically acceptable salt thereof as an effective ingredient.
Dependencies are inferred from the claim text.