申请人:KHUNT Mayur Devjibhai
公开号:US20100330130A1
公开(公告)日:2010-12-30
Provided herein are impurities of imatinib, N-(2-Methyl-5-methylamino-phenyl)-N-(4-pyridin-3-yl-pyrimidin-2-yl)-formamide (formamide impurity) and 4-[4-(Imidazole-1-carbonyl)-piperazin-1-ylmethyl]-N-[4-methyl-3-(4-pyridin-3-yl-pyrimidin-2-ylamino)-phenyl]-benzamide (carbonylimidazole impurity), and processes for the preparation and isolation thereof. Provided further herein is a highly pure imatinib or a pharmaceutically acceptable salt thereof substantially free of formamide and carbonylimidazole impurities, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure imatinib or a pharmaceutically acceptable salt thereof substantially free of impurities. Disclosed also herein is a process for preparing substantially pure α-form of imatinib mesylate.
本文提供了伊马替尼的杂质,即N-(2-甲基-5-甲氨基苯基)-N-(4-吡啶-3-基嘧啶-2-基)-甲酰胺(甲酰胺杂质)和4-[4-(咪唑-1-甲酰基)-哌嗪-1-基甲基]-N-[4-甲基-3-(4-吡啶-3-基嘧啶-2-基氨基)-苯基]-苯甲酰胺(羰基咪唑杂质),以及其制备和分离的方法。本文还提供了高纯度的伊马替尼或其药学上可接受的盐,基本上不含甲酰胺和羰基咪唑杂质,以及其制备的方法和包含高纯度的伊马替尼或其药学上可接受的盐的制药组合物。本文还披露了一种制备基本纯的伊马替尼甲酸盐α型的方法。