Preparation method of 4-[(4-methylpiperazin-1-yl)methyl]benzoic acid dihydrochloride_Kain Industrial Additive

background and overview[1] 4-(4-methyl-1-piperazinylmethyl)benzoic acid dihydrochloride is a key intermediate for the preparation of imatinib mesylate. imatinib mesilate, chemical name is 4-(4-methylp…