Application of carbenoid N–H insertion in the synthesis of the tricyclic 1,4-dihydropyrazines
作者:Xuqing Zhang、Zhihua Sui
DOI:10.1016/j.tetlet.2006.06.053
日期:2006.8
The N–H insertion of the substituted anilines with 2-diazo-1,3-cyclohexanedione or 2-diazo-1,3-cyclopentanedione and subsequent cyclization enabled an efficient synthesis of a novel series of tricyclic 1,4-dihydropyrazines.
N–H插入2-重氮-1,3-环己二酮或2-重氮-1,3-环戊二酮取代苯胺并随后环化,可有效合成一系列新的三环1,4-二氢吡嗪。