C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/131, 260/271
C12P 17/18 (2006.01) C07D 463/00 (2006.01) C12N 9/80 (2006.01)
Patent
CA 1160584
ABSTRACT OF THE DISCLOSURE Disclosed are optically active cephalosporin analogs of the general formula: Image wherein R1 represents a hydrogen, a lower alkyl group or a lower acyl group and R2 represents a hydrogen or a protective group of carboxylic acid and the salts thereof. The compounds are useful as intermediates in the preparation of optically active acylated antimicrobial agents.
360254
Hashimoto Yukio
Hirata Tadashi
Kobayashi Shigeru
Ogasa Takehiro
Sato Akira
Goudreau Gage Dubuc
Kyowa Hokko Kogyo Co, Ltd.
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