C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/106.1
C07D 501/36 (2006.01) A61K 31/54 (2006.01) A61K 31/545 (2006.01) C07C 67/08 (2006.01) C07D 257/04 (2006.01) C07D 277/22 (2006.01) C07D 499/42 (2006.01) C07D 501/00 (2006.01) C07D 501/02 (2006.01) C07D 501/04 (2006.01) C07D 501/20 (2006.01) C07D 501/46 (2006.01) C07D 501/56 (2006.01)
Patent
CA 1216285
CEPHALOSPORIN ESTER DERIVATIVES, THEIR PRODUCTION AND USE Abstract A compound of the formula: Image wherein R1 is a hydrogen atom or a lower alkyl group; R2 is an unsubstituted or lower alkyl-substituted alicyclic alkyl group of 3 to 12 carbon atoms or a C3-6 alicyclic alkyl-substituted lower alkyl group or a pharmaceutically acceptable.salt thereof, processes for preparing the same, and a pharmaceutical composition thereof, are provided. The compound has an improved absorbability and can be orally applied as antibiotics.
455318
Nishimura Tatsuo
Numata Mitsuo
Yoshimura Yoshinobu
Gowling Lafleur Henderson Llp
Takeda Chemical Industries Ltd.
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