C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/516.8
C07C 57/38 (2006.01) C07C 51/00 (2006.01) C07C 51/38 (2006.01) C07D 233/96 (2006.01) C07D 263/42 (2006.01) C07D 277/32 (2006.01)
Patent
CA 1325222
Abstract of the Disclosure Novel and improved simple process for producing 4-biphenylylacetic acid or its salt useful as an anti- inflammatory and analgesic agent. The process starts from 4-biphenylylaldehyde and goes through a compound of the formula Image or Image wherein R represents a substituted or unsubstituted phenyl or lower alkyl group, R1 represents a hydrogen atom, a lower alkyl group or a carboxy-lower alkyl group, X represents an oxygen or sulfur atom and Y represents a sulfur atom or -NH-.
516132
Aoyagi Sakae
Nagase Yunosuke
Shimada Osamu
Lederle (japan) Ltd.
Smart & Biggar
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