申请人:Zhejiang Tianyu Pharmaceutical Co., Ltd
公开号:EP2546243A1
公开(公告)日:2013-01-16
A method for preparing Aliskiren and intermediate thereof, which comprises the following steps: reacting 4-bromo-1-methoxy-2-(3-methoxypropoxy)benzene with magnesium isopropyl chloride and n-BuLi to obtain the compound of formula XXII; reacting the product of methylsulfonylation of the compound of formula XIX with anhydrous LiBr to obtain the compound of formula XXI; obtaining the intermediate of Aliskiren shown as formula XV by reacting the compound of formula XXII with the compound of formula XXI in an ether as the solvent and in the presence of a catalyst containing iron; then reacting the compound of formula XV with the compound of formula VII to obtain the compound of formula XXIII, following removing R1 from the amino group and obtaining Aliskiren shown as formula I.
一种制备阿利吉仑及其中间体的方法,包括以下步骤:将 4-溴-1-甲氧基-2-(3-甲氧基丙氧基)苯与异丙基氯化镁和 n-BuLi 反应,得到式 XXII 化合物; 将式 XIX 化合物的甲磺酰化产物与无水 LiBr 反应,得到式 XXI 化合物;以乙醚为溶剂,在含铁催化剂存在下,使式 XXII 化合物与式 XXI 化合物反应,得到式 XV 所示的阿利吉仑中间体;然后使式 XV 化合物与式 VII 化合物反应,得到式 XXIII 化合物,再除去氨基上的 R1,得到式 I 所示的阿利吉仑。