Interaction of hydridocarbonyltriphenylphosphineiridium(I) complexes with alk-1-ynes

Reaction of aliphatic alk-1-ynes with IrH(CO)(PPh3)3 or IrH(CO)2(PPh3)2 results in loss of hydrogen and formation of novel acetylides Ir(CCR)(CO)(PPh3)2 or 3...