The present invention provides a process for preparation of 1-[9H-carbazol-4-yloxy]-3-[2-(2-(methoxy)phenoxy)-ethyl}-amino]-propan-2-ol, a compound of formula (1) in racemic form or in the form of optically active R or S enantiomer or its pharmaceutically acceptable salt, comprising, reacting 4-(oxiranylmethoxy)-9H-carbazole, a compound of formula (2) or the R or S enantiomer thereof with a compound of formula (5), wherein R1 is benzyl or substituted benzyl group, in an aprotic organic solvent in presence of a catalyst to obtain a compound of formula (6), or the R or S enantiomer thereof, wherein R1 is as defined above. The resultant compound of formula (6) is subjected to debenzylation reaction by catalytic hydrogenation to obtain the compound of formula (1), if desired converting the resultant compound of formula (1) to a pharmaceutically acceptable salt thereof.
本发明提供了一种制备1-[9H-
咔唑基氧基]-3-[2-(2-(甲氧基)苯氧基)-乙基}-
氨基]-
丙醇的方法,该化合物的结构式为(1),可以是拉氏体或光学活性R或S对映体,或其药用可接受的盐形式,包括将4-(环氧甲氧基)-9H-
咔唑,结构式为(2)的化合物或其R或S对映体与结构式(5)的化合物反应,其中R1是苄基或取代苄基团,在无
水有机溶剂中,在催化剂存在下,得到结构式(6)的化合物,或其R或S对映体,其中R1如上定义。得到的结构式(6)的化合物经过脱苄化反应进行催化氢化,得到结构式(1)的化合物,如果需要,将得到的结构式(1)的化合物转化为其药用可接受的盐形式。