Synthesis of 4-Aryl-2(5H)-furanones by Gold(I)-Catalyzed Intramolecular Annulation
作者:Haifeng Sun、He Huang、Dengyou Zhang、Enguang Feng、Wangke Qian、Lei Zhang、Kaixian Chen、Hong Liu
DOI:10.1002/adsc.201100069
日期:2011.6
A novel method that involves intramolecular annulation and a new type of rearrangement has been developed for the synthesis of 4‐aryl‐2(5H)‐furanones. A variety of prop‐2‐ynyl 3‐oxo‐3‐phenylpropanoates undergo annulation cyclization in the presence of chloro(triphenylphosphine)gold and trifluoromethanesulfonic to afford the desired products in moderate to high yields.
已开发出一种涉及分子内环化和新型重排的新方法,用于合成4-芳基-2(5 H)-呋喃酮。在氯(三苯基膦)金和三氟甲磺酸的存在下,各种2-2-炔基3-氧代-3-苯基丙酸酯进行环化环化反应,以中等至高收率提供所需的产物。