C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/111, 260/488
C07F 7/10 (2006.01) C07D 409/12 (2006.01) C07D 499/88 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1264736
PATENT DPC-6949A 72222-3 PROCESS FOR 2-(1-OXO-3- THIOLANYL)-2-PENEM ANTISIOTICS Abstract Process and intermediates for the conversion of 3R,4R-4-acetoxy-3-[1R-1-(silyloxy)ethyl]-2-azetidinones to antibacterial 5R,6S-6-(1R-1-hydroxyethyl)-2-(1-oxo- 3-thiolanylthio)-2-penem-3-carboxylic acids, and the pharmaceutically-acceptable salts and pivaloyloxymethyl esters thereof.
520487
Lindner David Louis
Volkmann Robert Alfred
Limited Pfizer
Smart & Biggar
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