NOVEL PROCESS FOR PREPARING HIGHLY PURE TAPENTADOL OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
申请人:Khunt Mayur Devjibhai
公开号:US20130096347A1
公开(公告)日:2013-04-18
Provided herein is a novel, commercially viable and industrially advantageous process for the preparation of 3-[(1R,2R)-3-(dimethylamino)-1-ethyl-2-methylpropyl]phenol (Tapentadol), or a pharmaceutically acceptable salt thereof, and its intermediates, in high yield and purity. Provided also herein are novel solid state forms of tapentadol intermediates and processes for their preparation thereof. Provided further herein is a purification process for preparing highly pure tapentadol hydrochloride.
本文提供了一种新颖的、商业上可行的和工业上有利的制备3-[(1R,2R)-3-(二甲氨基)-1-乙基-2-甲基丙基]苯酚(Tapentadol)或其药学上可接受的盐及其中间体的高产率和高纯度的过程。本文还提供了Tapentadol中间体的新固态形式及其制备方法。本文还提供了一种纯化过程,用于制备高纯度的Tapentadol盐酸盐。