Hamre, Schumann, Mueller & Larson, P.C.
Cephem compound having catechol or pseudo-catechol structure
The present invention provides a novel compound which has a wide antimicrobial spectrum, and in particular exhibits potent antimicrobial activity against beta-lactamase producing Gram negative bacteria. Specifically, the present invention provides a compound of the formula (I):wherein each symbol is as defined in the specification, or an amino-protected compound when the amino group is present on the ring in the 7-side chain, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same.
SHIONOGI & CO., LTD.
A C C C C C
A61P C07D C07D C07D C07D C07D
inventional inventional inventional inventional inventional inventional
Kenji Toshiaki Masayuki Yasuhiro Jun Katsuki
Yamawaki Aoki Sano Nishitani Sato Yokoo