New Approach to Vinylphosphines Based on Pd- and Ni-Catalyzed Diphenylphosphine Addition to Alkynes

All articles of this category The catalytic addition of Ph 2 PH to phenylacetylene regioselectively leads to the Ph 2 P-CH=CHPh isomer with Pd(PPh 3 ) 4 in acetonitrile and to the Ph 2 P-C(Ph)=CH 2 isomer with Ni(acac) 2 /(EtO) 2 P(O)H in benzene. High selectivity were also obtained for the catalytic addition of Ph 2 PH to t BuC≡CH and to PhC≡CPh. alkenylphosphines - diphenylphosphine addition - addition to alkyne - nickel - palladium catalysts