C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 471/04 (2006.01) C07D 209/52 (2006.01)
Patent
CA 2258960
Disclosed is a process for preparing a naphthyridone carboxylic acid of the formula: <SEE FIG.1> and its derivatives by using side chain intermediates of formulae I and IV: <SEE FIG.2> (wherein R2 is alkyl, trifluoromethyl or optionally substituted phenyl and R1 is optionally substituted benzyl).
Chiu Charles Kwok-Fung
Wint Lewin Theophilus
Pfizer Products Inc.
Smart & Biggar
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