Construction of sulfur-containing <i>N</i>-vinylimides: <i>N</i>-addition of imides to propargyl sulfonium salts
作者:Shou-Jie Shen、Le-Mei Wang、Guo-Mei Gong、Yan-Jiao Wang、Jin-Yan Liang、Jun-Wen Wang
DOI:10.1039/d2ra01117d
日期:——
An N-addition reaction between imides and propargyl sulfoniumsalts was developed to afford sulfur-containing N-vinylimides with moderate to excellent yields. Under the activation of NaOAc·3H2O, imides could undergo deprotonation and propargyl sulfoniumsalts could isomerize to allenic sulfoniumsalts. The N-nucleophilic attack initiates the reaction and gives the desired products. Various imides,