POLYMORPHIC FORM OF 5-(4-[4-(5-CYANO-1H-INDOL-3-YL) BUTYL] PIPERAZIN-1-YL) BENZOFURAN-2-CARBOXAMIDE AND PROCESS FOR PREPARING THEREOF
申请人:CADILA HEALTHCARE LIMITED
公开号:US20140179713A1
公开(公告)日:2014-06-26
The present invention provides a solid state Form-Z of 5-(4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl)benzofuran-2-carboxamide. The present invention also provides a process for preparing Form-Z of 5-(4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl)benzofuran-2-carboxamide comprising the steps of i) reacting solid state form of 5-(1-piperazinyl)benzofuran-2-carboxamide or its salts with 3-(4-chlorobutyl)-1H-indole-5-carbonitrile an organic solvent in presence of a base to obtain crude vilazodone free base; ii) purifying the crude vilazodone free base of step (i) in an organic solvent; iii) treating the purified vilazodone free base of step (ii) with an organic solvent to obtain solid state form-Z of vilazodone. The present invention further provides a pharmaceutical composition comprising a therapeutically effective amount of an amorphous form of vilazodone hydrochloride and use of solid state Form-Z of vilazodone for the treatment of major depressive disorders.
本发明提供了5-(4-[4-(5-氰基-1H-吲哚-3-基)丁基]哌嗪-1-基)苯并呋喃-2-羧酰胺的固态Z型。本发明还提供了一种制备5-(4-[4-(5-氰基-1H-吲哚-3-基)丁基]哌嗪-1-基)苯并呋喃-2-羧酰胺的Z型的方法,包括以下步骤:i) 在有机溶剂中,在碱的存在下,将5-(1-哌嗪基)苯并呋喃-2-羧酰胺或其盐的固态形式与3-(4-氯丁基)-1H-吲哚-5-羧腈反应,以获得粗制维拉唑酮游离碱;ii) 在有机溶剂中纯化步骤(i)中的粗制维拉唑酮游离碱;iii) 用有机溶剂处理步骤(ii)中的纯化维拉唑酮游离碱,以获得维拉唑酮的固态Z型。本发明还提供了一种包含维拉唑酮盐酸盐无定形形式的治疗有效量的药物组合物,以及使用维拉唑酮的固态Z型治疗重度抑郁症。