CATALYSTS BASED ON PALLADIUM AND BORON-TRIFLUORIDE COMPLEXES FOR BUTADIENE TELOMERIZATION WITH AMINES - A ROLE OF SUBSTRATES IN THE FORMATION OF ACTIVE COMPLEX

Systems of the Pd(Acac)(2)-BF3OEt2 type were shown to catalyze telomer ization of butadiene with secondary aliphatic and aromatic amines unde r mild conditions. Reactions of Pd(Acac)(2), BF3OEt2, diethylamine, an d butadiene were studied by IR and UV spectroscopy. A number of interm ediate complexes, e.g., [(Acac)Pd(Et2NH)(2)]BF4, were isolated, and th eir catalytic activity was studied. The possibility of cationic pallad ium hydride formation on successive participation of a secondary amine and butadiene was confined for the system under study. A scheme for t he formation of the active complex was proposed.