Preparation method of 3-hydroxyanthranizoic acid hydrochloride_Kain Industrial Additive

background and overview[1] 3-hydroxyanthranilic hydrochloride can be used as a pharmaceutical synthesis intermediate. preparation[1] the preparation of 3-hydroxyanthranilic acid hydrochloride is as follows: penicillium is used to catalyze the preparation of 3-hydroxyanthranilic acid, and the reaction formula is as follows: the substrate 2-aminophenol (1) is reacted catalyzed by penicillium to obtain the product 3-hydroxyanthranilic acid…