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|Title:||Cephalosporin compounds and the production thereof|
|Abstract:||A class of new caphalosporin compounds (syn-isomer) is now provided, which is useful as antibacterial agent and is represented by the general formula (I) ##STR1## wherein R.sup.1 is an amino group or a protected amino group; R.sup.2 is a lower alkyl group, a carboxymethyl group or a protected carboxymethyl group; R.sup.3 is a hydrogen atom, a salt-forming cation or a carboxyl-protecting group; A is an unsubstituted or substituted phenyl group, an unsubstituted or substituted furyl group, an unsubstituted or substituted thiazolyl group or an unsubstituted or substituted 3-lower-alkylthiazolio group, and a pharmaceutically acceptable salt or ester thereof.|
|Inventor(s):||Atsumi; Kunio (Kawasaki, JP), Sakagami; Kenji (Kawasaki, JP), Yamamoto; Yuichi (Yokohama, JP), Yoshida; Takashi (Tokyo, JP), Nishihata; Ken (Yokohama, JP), Kondo; Shinichi (Yokohama, JP), Fukatsu; Shunzo (Tokyo, JP)|
|Assignee:||Meiji Seika Kaisha, Ltd. (Tokyo, JP) Susumu Mitsuhashi (Tokyo, JP)|
Patent Claim Types:|
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|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
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