Syntheses of 4-allyl-/4-allenyl-4-(arylthio)-1,4-dihydroisoquinolin-3-ones <i>via</i> the photochemical Doyle–Kirmse reaction
作者:Jianwei Xie、Muhammad Suleman、Zaibin Wang、Xinfei Mao、Beibei Mao、Jiale Fan、Ping Lu、Yanguang Wang
DOI:10.1039/d1ob00859e
日期:——
Facile synthesis of 4-allyl-/4-allenyl-4-(arylthio)-1,4-dihydroisoquinolin-3-ones via the visible-light-induced Doyle–Kirmse reaction of 4-diazo-1,4-dihydroisoquinolin-3-ones with allyl-/propargyl sulfides is reported. The reaction proceeds via the generation of free carbenes from cyclic diazo compounds followed by in situ formation of sulfonium ylide intermediates, which subsequently undergo [2,3-sigmatropic
通过4-diazo-1,4-dihydroisoquinolin-3 的可见光诱导 Doyle-Kirmse 反应轻松合成 4-allyl- /4-allenyl-4-( arylthio)-1,4-dihydroisoquinolin-3-ones已报道了具有烯丙基-/炔丙基硫化物的 -ones。该反应通过从环状重氮化合物生成游离卡宾,然后原位形成锍叶立德中间体进行,随后进行 [2,3-σ 重排],以中等至良好的产率得到高度官能化的二氢异喹啉酮。该反应的优点是底物范围广、无催化剂且条件温和。