Stereoselective cyclomagnesiation of 1,6-heptadienes catalyzed by zirconocenes: Effects of substituents, solvent and magnesium reagents
作者:Ulrike Wischmeyer、Kyle S. Knight、Robert M. Waymouth
DOI:10.1016/0040-4039(93)88032-e
日期:1992.12
Zirconocene dichloride acts as a catalyst precursor for the stereoselective cyclomagnesiation of an array of substituted 1,6-heptadienes in the presence of butylmagnesium chloride to form trans 1,2-(bis)methylmagnesium substituted carbocycles.