Rhodium(I) catalyzed four-component reaction of Fischer alkenyl carbene complexes and 1,1-diphenylallene
作者:José Barluenga、Rubén Vicente、Luis A. López、Miguel Tomás
DOI:10.1016/j.tet.2005.09.093
日期:2005.11
Alkyl substituted chromium Fischer carbene complexes react with 1,1-diphenylallene in the presence of rhodium(I) catalysts (10 mol%) to yield highly substituted dienyl indenone derivatives. In this process a catalytic chromium(0)-rhodium(I) exchange occurs, four new C-C bonds are created, and four-components (two allenes, the carbene ligand and one CO ligand) are joined in a chemo- and regioselective manner. (c) 2005 Elsevier Ltd. All rights reserved.