Cyclopentadienyl-ruthenium and -osmium chemistry Part XXXIV. Reactions of 1-alkynes with σ-vinyl-ruthenium complexes. X-ray structures of Ruη3-CH(CO2Me)C(CO2Me)CCHPh(PPh3)(η-C5H5) and Ru(η-C5H5)η5-C3(CO2Me)3CHCtBuCH(CO2Me) | Publicación