C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/111, 167/187
C07D 499/87 (2006.01) A61K 31/43 (2006.01) C07D 303/16 (2006.01) C07D 333/28 (2006.01) C07D 333/32 (2006.01) C07D 333/34 (2006.01) C07D 333/48 (2006.01) C07D 409/12 (2006.01) C07D 499/88 (2006.01) C07F 7/10 (2006.01)
Patent
CA 1338830
Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(1S-oxo- 3R-thiolanylthio)-2-penem-3-carboxylic acid and 5R,6S- 6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2--penem- 3-carboxylic acid, and pharmaceutically-acceptable salts and in vivo hydrolyzable esters thereof, useful as systemic antibacterial agents; and intermediates and processes which are useful in the said synthesis of said diastereoisomers.
565961
Limited Pfizer
Smart & Biggar
LandOfFree
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