Visible‐Light‐Promoted Oxidative Alkylarylation of
<i>N</i>
‐Aryl/Benzoyl Acrylamides Through Direct C−H Bond Functionalization
作者:Maojian Lu、Tao Zhang、Dabao Tan、Chengzhu Chen、Ying Zhang、Mingqiang Huang、Shunyou Cai
DOI:10.1002/adsc.201900712
日期:2019.9.17
N‐aryl/benzoyl acrylamides have been established through visible‐light‐enabled photocatalysis, furnishing a wide variety of functionalized oxindoles and isoquinolinediones in good‐to‐excellent yields under the synergistic interactions of an organic fluorophores‐type photocatalyst 4CzIPN, trifluoroacetoxyiodobenzene (PIFA), and 1,3,5‐trimethoxybenzene with visible light irradiation. The prominent features of this
Radical cascade cyanomethylation of activated alkenes to construct cyano substituted oxindoles
作者:Juan Li、Zhigang Wang、Ningjie Wu、Ge Gao、Jingsong You
DOI:10.1039/c4cc07667b
日期:——
cyanomethyl radical was easily generated from acetonitrile by using DTBP, which was applied to a cascadealkene addition and cyclization reaction to construct useful oxindole derivatives. This protocol features simple manipulation, cheap reagents and a broad substrate scope. In addition, nitro substituted oxindoles were also synthesized for the first time.