A Facile, Improved Synthesis of Sildenafil and Its Analogues

Autor: Chandiran Takshinamoorthy, Garaga Srinivas, Badarinadh Gupta Peruri, Ambati V. Raghava Reddy, Andra Naidu
Rok vydání: 2015
Předmět:
Zdroj: Scientia Pharmaceutica
Volume 84
Issue 3
Pages 447-455
ISSN: 2218-0532
Popis: This paper describes the facile synthesis of sildenafil citrate (1) and its related compounds through an improved chlorosulfonation reaction using chlorosulfonic acid and thionyl chloride. This synthesis results in pure sildenafil with high yield. The structures of the compounds were determined with infrared (IR), 1H-NMR and 13C-NMR spectroscopic methods, and high resolution mass spectroscopy (HRMS) analysis.
Databáze: OpenAIRE