Azetidinone compounds

Details Azetidinone compounds Azetidinone compounds

C - Chemistry, Metallurgy

07

D

260/104, 260/108

C07D 205/08 (2006.01) C07D 205/095 (2006.01) C07D 499/00 (2006.01) C07D 501/16 (2006.01)

Patent

CA 1070672

ABSTRACT Antibacterial compounds of the formula: Image Image (where COB is carboxy or protected carboxy; Hal is halogen; R is amino or protected amino; R' is mercapto-protecting group; and X is nucleophilic group) are prepared from penicillin 1-oxides having X on its 2-methyl group, and found to be used as starting materials for preparing cephalosporins.

270137

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