申请人:SYMED LABS LIMITED
公开号:US20150322030A1
公开(公告)日:2015-11-12
Provided herein are novel, commercially viable and industrially advantageous processes for the preparation of benzofuran-2-carboxamide derivatives and their intermediates, or a pharmaceutically acceptable salt thereof, in high yield and purity. Provided particularly herein are novel, commercially viable and industrially advantageous processes for the preparation of vilazodone or a pharmaceutically acceptable salt thereof in high yield and purity. Provided also herein is an improved and commercially viable process for the preparation of 3-(4-hydroxybutyl)-1H-indole-5-carbonitrile, in high yield and purity, using novel intermediate compound 3-(4-hydroxybutyryl)-1H-indole-5-carbonitrile.
本文提供了一种新的、商业上可行且具有工业优势的方法,用于高产率和高纯度制备苯并呋喃-2-羧酰胺衍生物及其中间体,或其药学上可接受的盐。特别提供了一种新的、商业上可行且具有工业优势的方法,用于高产率和高纯度制备维拉唑酮或其药学上可接受的盐。本文还提供了一种改进的、商业上可行的方法,使用新的中间体化合物3-(4-羟基丁酰基)-1H-吲哚-5-碳腈,高产率和高纯度地制备3-(4-羟基丁基)-1H-吲哚-5-碳腈。