Iridium complex-catalyzed method for the construction of a quaternary carbon center α to allene

Ir(cod)Cl](2)/dppe-catalyzed allylic alkylation of 1,1-disubstituted-2,3-butadienyl acetates gives a product bearing a quaternary carbon center alpha to allene in high yield, (C) 2004 Elsevier Ltd. All rights reserved.