Synthesis of quaternary carbon-centered indolo[1,2-<i>a</i>]quinazolinones and indazolo[1,2-<i>a</i>]indazolones <i>via</i> C–H functionalization
作者:Kongkona Gogoi、Bidisha R. Bora、Geetika Borah、Bipul Sarma、Sanjib Gogoi
DOI:10.1039/d0cc07419e
日期:——
bond activation and annulation reaction of phenylindazolones with diaryl-substituted alkynes and dialkyl-substituted alkynes provided efficient routes for the construction of all-carbon quaternary-centered indolo[1,2-a]quinazolinones and quaternary carbon-centered indazolo[1,2-a]indazolones, respectively. The indolo[1,2-a]quinazolinones were fomed via Csp2–H activation, alkyne insertion and a 1,2-phenyl
前所未有的Ru(II)催化的苯基吲唑酮与二芳基取代的炔烃和二烷基取代的炔烃的Csp 2 -H键活化和环化反应为构建全碳季中心吲哚[1,2- a ]提供了有效的途径喹唑啉酮和季碳中心的吲唑并[1,2- a ]吲唑酮。吲哚[1,2- a ]喹唑啉酮是通过Csp 2 -H活化,炔烃插入和1,2-苯基移位而形成的。吲唑[1,2一]是通过一个级联反应形成indazolones经由含有吲哚并形成环外双键[1,2一]喹唑啉酮。