Synthesis and Spectral Characterization of Related Substances of Vardenafil, an Erectile Dysfunction Drug
作者:Vajrala Venkata Reddy、Mandava Venkata Naga Brahmeswara Rao、Ghanta Mahesh Reddy、Khagga Mukkanti、Ganta Madhusudhan Reddy
DOI:10.1080/00397911.2011.585268
日期:2012.12.1
erectile function. During the bulk drug synthesis of vardenafil hydrochloride trihydrate, six related substances (impurities), vardenafil dimer, vardenafil N-oxide, vardenafil glycene, vardenafil oxopiperazine, vardenafil oxoacetic acid, and phenyl vardenafil were identified, and these are reported herein for the first time. The present work describes the synthesis and characterization of these impurities
摘要 Vardenafil hydrochloride trihydrate (Levitra) 用于治疗勃起功能障碍 (ED),是 5 型磷酸二酯酶 (PDE-5) 的抑制剂。它保持较高水平的环磷酸鸟苷 (cGMP),放松平滑肌,促进阴茎血流量,并增强勃起功能。在盐酸伐地那非三水合物原料药合成过程中,鉴定出伐地那非二聚体、伐地那非N-氧化物、伐地那非甘醇、伐地那非氧代哌嗪、伐地那非氧代乙酸和苯基伐地那非6种相关物质(杂质),并在此首次报道. 目前的工作描述了这些杂质的合成和表征。图形概要