Ruthenium-Catalyzed Cycloaddition of Alkynes and Organic Azides
journal contributionposted on 2005-11-23, 00:00 authored by Li Zhang, Xinguo Chen, Peng Xue, Herman H. Y. Sun, Ian D. Williams, K. Barry Sharpless, Valery V. Fokin, Guochen Jia
Cp*RuCl(PPh3)2 is an effective catalyst for the regioselective “fusion” of organic azides and terminal alkynes, producing 1,5-disubstituted 1,2,3-triazoles. Internal alkynes also participate in this catalysis, resulting in fully substituted 1,2,3-triazoles.