PREPARATION OF TRISUBSTITUTED BENZOIC ACIDS AND INTERMEDIATES

摘要

A process for the preparation of 2-(hydrogen, halogen or lower alkyl)-3-(hydroxy, C1-C4 alkoxy, C1-C4 haloalkoxy, -OCH2CH2OCH3, -OCH2CH2OC2H5, -OCH2CH2SCH3 or -OCH2CH2SC2H5)-4-(alkythio or alkylsulfonyl)-acetophenones.