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 derivatives catalyzed by N-bromosuccinimide using ultrasonic irradiation in aqueous medium. Prominent advantages of this new method are good yields, aqueous medium, short reaction times, and easy workup procedure. The compounds were characterized by infrared, NMR, liquid
摘要 开发了一种简单、高效且环保的方法,用于在水介质中使用超声波辐照 N-溴代琥珀酰亚胺催化合成 2-取代的 1,4,5,6-四氢嘧啶衍生物。这种新方法的突出优点是收率高、使用水性介质、反应时间短、后处理程序简单。通过红外、核磁共振、液相色谱-质谱和元素分析对化合物进行了表征。图形概要