EEFECTS OF ORGANOMETALS ON THE PALLADIUM-CATALYZED TANDEM CARBOPALLADIUM-CROSS COUPLING FOR PREPARING STEREODEFINED EXOCYCLIC ALKENES

Article abstract of DOI:10.1016/S0040-4039(00)97630-5

The reaction of ω-(o-iodoaryl)- and ω-(Z-β-iodoalkenyl)alkynes with organometals containing Zr, Sn, Al, or B in the presence of a catalytic amount of a palladium-phosphine complex, such as Pd(PPh3)4, proceeds predominantly via initial cyclic carbopalladat