EcoFriendly Synthesis of Tetrahydropyrimidine Derivatives in Aqueous Medium Under Ultrasonic Irradiation
作者:Valasani Koteswara Rao、Boppudi Hari Babu、Kilaru Raveendra Babu、Doddaga Srinivasulu、Chamarthi Naga Raju
DOI:10.1080/00397911.2011.582218
日期:2012.11.15
Abstract A simple, efficient, and ecofriendly procedure was developed for the synthesis of 2-substituted 1,4,5,6-tetrahydropyrimidine derivativescatalyzed by N-bromosuccinimide using ultrasonic irradiation in aqueousmedium. Prominent advantages of this new method are good yields, aqueousmedium, short reaction times, and easy workup procedure. The compounds were characterized by infrared, NMR, liquid