Cyclotrimerization of Alkynes using an Activated Zirconium–Titanium Catalyst Prepared by the Reduction of Zirconium Tetrachloride and Titanium Trichloride with Lithium Powder
Abstract
Activated zirconium–titanium prepared by the reduction of zirconium tetrachloride and titanium trichloride with lithium efficiently catalyses the cyclotrimerization of alkynes.