A Novel and Efficient Synthesis of 1-Hydroxyquinazolin-4-ones via Tin(II) Chloride Induced Cyclization of 2-Nitrobenzamides and Ketones
作者:Daqing Shi、Guolan Dou、Yao Zhou
DOI:10.1055/s-2008-1067126
日期:——
A mild, efficient and novel synthesis of 2,3-dihydro-1-hydroxyquinazolin-4(1H)-ones via cyclization of 2-nitrobenzamides and ketones induced by tin(II) chloride dihydrate is described. This new method has the advantages of accessible starting materials, convenient manipulation, short reaction times, and high yields.
本文描述了一种温和、高效且新颖的合成2,3-二氢-1-羟基喹唑啉-4(1H)-酮的方法,该方法通过氯化亚锡(二水合物)诱导2-硝基苯胺和酮的环化反应。这种新方法具有起始材料易得、操作便利、反应时间短和产率高的优点。