Synthesis of dihydroquinolinones <i>via</i> iridium-catalyzed cascade C–H amidation and intramolecular aza-Michael addition
作者:Changduo Pan、Zhenkun Yang、Hao Xiong、Jiangang Teng、Yun Wang、Jin-Tao Yu
DOI:10.1039/c8cc09751h
日期:——
An iridium-catalyzed annulation of chalcones with sulfonyl azides via cascade C–H amidation and intramolecular aza-Michael addition was developed, affording a variety of 2-aryl-2,3-dihydro-4-quinolones in moderate to good yields. This reaction features easy operation, readily available starting materials, and the cascade formation of two C–N bonds in one pot.
通过级联的C–H酰胺化和分子内的氮杂-Michael加成反应,开发了铱催化的磺酰叠氮化物对查尔酮的环化反应,提供了中等至良好收率的各种2-芳基-2,3-二氢-4-喹诺酮类化合物。该反应具有易于操作,易于获得的原料以及在一个反应釜中级联形成两个C–N键的特点。