Chalcogenoacetylenes Obtained by Indium(III) Catalysis: Dual Catalytic Activation of Diorgano Dichalcogenides and Csp-H Bonds
作者:Daniel S. Rampon、Rodrigo Giovenardi、Tiago L. Silva、Raoní S. Rambo、Aloir A. Merlo、Paulo H. Schneider
DOI:10.1002/ejoc.201101245
日期:2011.12
A new approach for the one-pot synthesis of alkynyl chalcogenides, exemplified mainly by selenides, was developed in which dual activation of diorgano dichalcogenides and terminal acetylenes is achieved by using an indium(III) catalyst. The method has advantages of broad substrate scope, simple operation, mild reaction conditions, and good yields. A plausible reaction mechanism is proposed.
一种用于一锅法合成炔基硫属元素化物的新方法,主要以硒化物为例,该方法是通过使用铟 (III) 催化剂实现二有机二硫属元素化物和末端乙炔的双重活化而开发的。该方法具有底物范围广、操作简单、反应条件温和、收率高等优点。提出了一个合理的反应机制。