Ruthenium-Catalyzed Cycloaddition of Alkynes and Organic Azides Li Zhang Xinguo Chen Peng Xue Herman H. Y. Sun Ian D. Williams K. Barry Sharpless Valery V. Fokin Guochen Jia 10.1021/ja054114s.s001 https://acs.figshare.com/articles/dataset/Ruthenium_Catalyzed_Cycloaddition_of_Alkynes_and_Organic_Azides/3255694 Cp*RuCl(PPh<sub>3</sub>)<sub>2</sub> 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. 2005-11-23 00:00:00 Azide terminal alkynes disubstituted Internal alkynes regioselective Organic triazole Alkyne fusion catalyst azide catalysi Cp Cycloaddition