C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/104.1
C07D 501/24 (2006.01) A61K 31/545 (2006.01) C07D 501/04 (2006.01) C07D 501/32 (2006.01) C07D 501/36 (2006.01) C07D 501/60 (2006.01) C07D 519/00 (2006.01)
Patent
CA 1084486
ABSTRACT OF THE DISCLOSURE A cephalosporin derivative of formula (I): Image ( I ) wherein X is an -OCOCH3 group or an -S-Het group in which Het is a 5- or 6-membered heterocyclic ring containing one to four hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur atoms, which may be substituted with one or more substituents, and the non-toxic pharmaceutically acceptable salts thereof which are useful as an antimicrobial material and which are prepared by the reaction of a compound of formula (II): Image (II) or a reactive derivative thereof, with a compound of formula (III): (III) Image wherein X is as defined above, or a derivative thereof.
249419
Eda Yasuko
Irie Kenji
Izawa Akio
Komatsu Toshiaki
Nakagome Takenari
George H. Riches And Associates
Sumitomo Chemical Co. Ltd.
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