C−C Coupling of the Alkynyl and Alkenyl Fragments of Os(C2CO2CH3)CHCHC(O)OCH3(CO)(PiPr3)2 by Action of HCl: The Vinylidene [OsCHCHC(O)OCH3(CCHCO2CH3)(CO)(PiPr3)2]BF4 as Intermediate | Publicación