C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/111, 260/243
C07D 499/00 (2006.01) C07D 499/88 (2006.01) C07D 513/04 (2006.01) C07F 7/10 (2006.01)
Patent
CA 1279312
PROCESS FOR PENEM INTERMEDIATES Abstract An efficient process for converting readily avail- able 4-acetoxy-2-azetidinones to allyl 2-thioxopenam- 3-carboxylates, intermediates useful for the synthesis of penem antibiotics.
538429
Brighty Katherine Elizabeth
Lindner David Louis
Limited Pfizer
Smart & Biggar
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