申请人:Ferrari Massimo
公开号:US20130225818A1
公开(公告)日:2013-08-29
The present invention relates, in a first aspect, to a process preparing vilazodone hydrochloride that comprises the reaction of 3-(4-chloro-1-hydroxy-butyl)-1H-indol-5-carbonitrile with 5-piperazin-1-yl-benzofuran-2-carboxylate methyl hydrochloride with the formation of a 1,4-piperazine, with subsequent dehydration, hydrogenation and treatment with ammonia, to obtain vilazodone in free base form that is then converted into the hydrochloride thereof.
本发明涉及一种制备维拉唑酮盐酸盐的过程,其中包括将3-(4-氯-1-羟基丁基)-1H-吲哚-5-羧腈与5-哌嗪-1-基苯并呋喃-2-羧酸甲酯反应,形成1,4-哌嗪,随后脱水、加氢并用氨处理,以获得维拉唑酮的游离碱形式,然后将其转化为盐酸盐形式。