An improved process for preparation of Olanzapine pamoate monohydrate from Olanzpaine is disclosed which comprises mixing at room temperature a solution of olanzapine prepared in water in presence of an acid, with a solution of pamoic acid prepared in water in presence of a base; stirring and maintaining the reaction mixture for a sufficient time till precipitation of solid and drying the solid to obtain olazapine pamoate monohydrate
公开了一种从
奥氮平制备
奥氮平帕莫酸一
水合物的改进工艺,包括在室温下将在酸的存在下制备的
奥氮平溶液与在碱的存在下制备的
帕莫酸溶液混合;搅拌并保持反应混合物足够长的时间直到固体沉淀,并将固体干燥以获得奥拉唑
帕莫酸一
水合物。