Nickel-promoted intramolecular cyclization of vinyl bromides with alkenes and alkynes
作者:Amadeu Llebaria、Francisco Camps、Josep Ma Moretó
DOI:10.1016/s0040-4039(00)92536-x
日期:1992.6
The reaction of vinyl bromides bearing distal olefin or acetylene functionalities with tetracarbonylnickel in the presence of alcohols and triethylamine results in the formation of exo-methylene cyclic esters in a regioselective process. High influence of the bulkiness of the alcohol is found.