Catalytic asymmetric synthesis of quarternary carbon centers. Palladium-catalyzed formation of either enantiomer of spirooxindoles and related spirocyclics using a single enantiomer of a chiral diphosphine ligand
作者:Atsuyuki Ashimori、Larry E. Overman
DOI:10.1021/jo00043a005
日期:1992.8
The asymmetric synthesis of eight spirooxindoles and related spirocyclics from the corresponding aryl iodide by palladium catalyzed cyclizations in the presence of the diphosphine ligand (R)-(+)-BINAP is reported.