Patent ID: 8455657
Filing Date: 2013-06-04
Classification: C07C,C07D

Abstract:
1. A process for preparing a 3-alkylsulfinylbenzoyl derivative of formula (IIIa) comprising a reaction of a 3-alkylsulfinylbenzoic acid of formula (Ib) with a compound of formula (II) in the presence of a chlorinating agent and a base selected from the group consisting of pyridine, 3-methylpyridine, and 3,5-dimethylpyridine in which the radicals, symbols and indices have the following meanings: R R R R R R is (C n is 0, 1 or 2, s is 0, 1, 2 or 3, Y is a radical Y1, Y2, Y3, Y4, Y5 or Y6: R R R R R R R R R R R