C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 501/20 (2006.01) C07D 463/00 (2006.01) C07D 501/18 (2006.01) C07D 505/00 (2006.01)
Patent
CA 2359744
B-Lactam antibiotics of formula (I) or a salt thereof, wherein R1 is hydrogen, methoxy or formamido; R2 is an acyl group; CO2R3 is a carboxy group or a carboxylate anion, or R3is a readily removable carboxy protecting group; R4 represents up to four substituents; X is S, SO, SO2, O or CH2; m is 1 or 2; and n is 0, useful in the treatment of bacterial infections in humans and animals.
Bateson John Hargreaves
Burton George
Fell Stephen Christopher Martin
Borden Ladner Gervais Llp
Pfizer Inc.
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