Visible-light-promoted radical alkylation/cyclization of allylic amide with N-hydroxyphthalimide ester: Synthesis of oxazolines
作者:Zhiyang Yan、Bin Sun、Panyi Huang、Haiyun Zhao、Hao Ding、Weike Su、Can Jin
DOI:10.1016/j.cclet.2021.09.067
日期:2022.4
An efficient photocatalytic alkylation/cyclization of allylic amide with N-hydroxyphthalimide ester has been developed. The transformation is taken advantage of alkyl radicals to attack allylic amide with the assist of inexpensive rose bengal as photocatalyst to prepare a series of alkyl substituted oxazolines in moderate to excellent yields. High regioselectivity, operational safety, mild conditions
开发了一种高效的光催化烯丙基酰胺与N-羟基邻苯二甲酰亚胺酯的烷基化/环化反应。该转化利用烷基自由基攻击烯丙基酰胺,并辅以廉价的玫瑰红作为光催化剂,以中等至优异的产率制备一系列烷基取代的恶唑啉。区域选择性高、操作安全、条件温和、底物通用性好,使该协议具有广阔的应用前景。