The first example of the palladium-catalyzed, three-component tandem reaction of 2-aminobenzonitriles, aldehydes, and arylboronic acids has been developed, providing a new approach for one-pot assembly of diverse quinazolines in moderate to good yields. A noteworthy feature of this method is the tolerance of bromo and iodo groups, which affords versatility for further synthetic manipulations. Preliminary
A novel and efficient methodology for the construction of quinazolines based on supported copper oxide nanoparticles
作者:Jintang Zhang、Chenmin Yu、Sujing Wang、Changfeng Wan、Zhiyong Wang
DOI:10.1039/c002454f
日期:——
A series of quinazolines were synthesized from 2-aminobenzophenones and benzylic amines in good to excellent yields by employing a new heterogeneous catalyst based on the copper oxide nanoparticles supported on kaolin.
A copper-catalyzed process for the synthesis of substituted quinazolinesfrom benzonitriles and 2-ethynylanilines using molecular oxygen (O2) as sole oxidant is described. The mild catalytic system enabled the effective cleavage of the C–C triple bond and construction of new C–N and C–C bonds in one operation. Furthermore, the compound N,N-dimethyl-4-(2-(4-(trifluoromethyl)phenyl)quinazolin-4-yl)aniline
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。
Copper-catalyzed aerobic oxidative decarboxylative amination of arylacetic acids: a facile access to 2-arylquinazolines
作者:Yizhe Yan、Miaomiao Shi、Bin Niu、Xiangping Meng、Changrui Zhu、Gengyao Liu、Ting Chen、Yanqi Liu
DOI:10.1039/c6ra04195g
日期:——
An efficient copper-catalyzed oxidative decarboxylative amination of arylacetic acids with 2-aminobenzoketones and ammonium acetate under oxygen atmosphere was first developed. This reaction represents a novel avenue for 2-arylquinazolines in good...