Silver(II) oxide-mediated synthesis of 2,4-diarylquinazolines
作者:Wing Cheung、Raymond J. Patch、Mark R. Player
DOI:10.1016/j.tetlet.2018.05.019
日期:2018.6
4-diarylquinazolines is described which involves a silver oxide-mediated CH activation/CN bond formation process. The generality of this method with respect to substituent effects is presented along with studies leading to process optimization. Mechanistic investigations provide support for the involvement of radical intermediates in the reaction process.
描述了合成2,4-二芳基喹唑啉的单釜法,该法涉及氧化银介导的C H活化/ C N键形成过程。提出了有关取代基效应的通用方法以及导致工艺优化的研究。机理研究为自由基中间体参与反应过程提供了支持。
A convenient synthesis of quinazoline ring by tandem aza-wittig reaction/lectrocyclic ring closure
3,4-Dihydroquinazolines and Quinazolines were prepared starting from N'-aryl-N- (triphenylphosphoranilidene)-carboximidamides and aliphatic or aromatic aldehydes. The mechanism of the reaction is discussed.
Microwave Assisted Aza‐Wittig Reactions of N‐Imidoyliminophosphorane with Aldehydes: A Convenient and Selective Route to Quinazolines
作者:Vipan Kumar、Ashwini Sharma、Mohinder P. Mahajan
DOI:10.1081/scc-120027237
日期:2004.12.31
Abstract A novel synthetic strategy for the selective synthesis of biologically important quinazolines with shorter reaction times, better yields, lower energy inputs and hassle free work up using a domestic microwave oven is reported.
A catalyst- and solvent-free selective approach to biologically important quinazolines and benzo[g]quinazoline
作者:Vipan Kumar、Chander Mohan、Manish Gupta、Mohinder P. Mahajan
DOI:10.1016/j.tet.2005.01.118
日期:2005.4
A solvent-free and catalyst-free approach towards the selective synthesis of quinazolines and benzo[g] quinazolines has been developed using conventional microwave oven with excellent yields and reproducibilty. (c) 2005 Elsevier Ltd. All rights reserved.