C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/516.6
C07C 59/11 (2006.01) C07C 51/367 (2006.01) C07C 51/377 (2006.01)
Patent
CA 1110272
Abstract of the Disclosure 4-Hydroxyphenyl acetic acid is produced by reacting O-chlorophenol with g1yoxylic acid to form 3-chloro-4-hydroxymandelic acid, reducing the 3-chloro-4-hydroxymandelic acid to 3-chloro-4-hydroxyphenyl acetic acid and then dechlorinating the 3-chloro-4-hydroxyphenyl acetic acid to obtain the required 4-hydroxyphenyl acetic acid 4-hydroxyphenyl acetic acid is a useful reagent in the synthesis of many pharmaceutical compounds and the present invention provides a route to the compound by which good yields are obtained.
321909
Bauer Adolf
Kaniss Normann
Fetherstonhaugh & Co.
Freedom Chemical Company
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