It is provided a process for the preparation of aripiprazole lauroxil that comprises reacting 1-(hydroxymethyl) aripiprazole with lauric acid in the presence of a suitable solvent and a carboxyl activating agent in the presence of a suitable solventand, optionally,in the presence of an appropriate base. -(Hydroxymethyl) aripiprazole can be prepared by reacting aripiprazol or an hydrate thereof with paraformaldehyde in the presence of a suitable organic 10 solvent and a suitable base, wherein the reaction is carried out without the addition of water as a solvent to the reaction mixture.Additionally, (7-(4-(4- (2,3-dichlorophenyl)piperazin-1-yl)butoxy)-3,4-dihydro-2-oxoquinolin-1(2H)- yl)methyl formate is provided as a reference standard.
提供了一种制备
阿立哌唑酯洛西尔的过程,包括在适当溶剂和羧基活化剂的存在下,将1-(羟甲基)
阿立哌唑与
月桂酸反应,可选地,在适当碱的存在下进行。可以通过将
阿立哌唑或其
水合物与多
聚甲醛在适当有机溶剂和适当碱的存在下反应来制备(羟甲基)
阿立哌唑,其中该反应在不向反应混合物中添加
水作为溶剂的情况下进行。此外,还提供了(7-(4-(4-(2,3-二
氯苯基)
哌嗪-1-基)丁氧基)-3,4-二氢-2-氧
喹啉-1(2H)-基)
甲酸甲酯作为参考标准。