Enzymatic process for the preparation of an intermediate compound and use thereof for the synthesis of tamsulosin hydrochloride
申请人:Villasante Prieto Javier
公开号:US20060148046A1
公开(公告)日:2006-07-06
The present invention relates to a process of enantioselective enzymatic acylation for the preparation of (R)-2-halo-N-[2-(4-methoxyphenyl)-1-methyl-ethyl] acetamide compounds, of formula III, in which X═Cl, Br, I.
These compounds (III) are useful as intermediates in the synthesis of tamsulosin hydrochloride.
本发明涉及一种手性选择性酶促酰化过程,用于制备式III的(R)-2-卤代-N-[2-(4-甲氧苯基)-1-甲基-乙基]乙酰胺化合物,其中X═Cl,Br,I。这些化合物(III)在替唑嗪盐酸盐的合成中作为中间体有用。