Silica-bonded N-propylsulfamic acid as a recyclable catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones

作     者：Khodabakhsh Niknam Nasrolah Jafarpour Ebrahim Niknam 

作者机构：Department of ChemistryIslamic Azad UniversityGachsaran BranchGachsaranIran 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2011年第22卷第1期

页      面：69-72页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：the Islamic Azad University Research Council for the partial support of this work 

主　　题：Silica-bonded N-propylsulfamic acid 2,3-Dihydroquinazolin-4(1H)-ones Isatoic anhydride Aldehydes 

摘      要：2,3-Dihydroquinazolin-4（1H）-one derivatives are synthesized via a one-pot, three component reaction of isatoic anhydride and an aromatic aldehyde with ammonium acetate or primary amine catalyzed by silica-bonded N-propylsulfamic acid （SBNPSA） in refluxing ethanol.