6-dichlorobenzoic acid_Kain Industrial Additive

Background and overview[1] 2-Amino-4,6-dichlorobenzoic acid is a carboxylic acid derivative, which is mainly used in the synthesis of pharmaceutical intermediates. Structure Preparation[1] To a solution of 4,6-dichloro-1H-indole-2,3-dione (5.0g, 23.1mmol) in 75ml 1NNaOH at room temperature was partially added hydrogen peroxide (28% v/v, 10ml) . After the mixture was stirred for 2 hours, the insoluble dark…