Synthesis of Highly Substituted Furans by the Electrophile-Induced Coupling of 2-(1-Alkynyl)-2-alken-1-ones and Nucleophiles
作者:Tuanli Yao、Xiaoxia Zhang、Richard C. Larock
DOI:10.1021/jo0510585
日期:2005.9.1
induced by an electrophile, provides highlysubstitutedfurans in good to excellent yields under very mild reaction conditions. Various nucleophiles, including functionally substitutedalcohols, H2O, carboxylic acids, 1,3-diketones, and electron-rich arenes, and a range of cyclic and acyclic 2-(1-alkynyl)-2-alken-1-ones readily participate in these cyclizations. Iodine, NIS, and PhSeCl have proven