Disclosed herein is a process for preparation of imatinib free base which comprises condensing 4-Methyl-N-(4-pyridin-3-yl-pyrimidin-2-yl)-benzene-1,3-diamine with 4-(4-Methyl-piperazin-1-ylmethyl)-benzoic acid ester in the presence of base including organic bases and inorganic bases in an organic solvent to form imatinib.
本文披露了一种制备
伊马替尼自由基的过程,其中包括在有机溶剂中,在碱性存在下,通过将4-甲基-N-(4-
吡啶-3-基-
嘧啶-2-基)-苯-1,3-二胺与4-(4-甲基
哌嗪-1-基甲基)
苯甲酸酯缩合,形成
伊马替尼。