The reactions of [RuHX(PPh3)3] (X = Cl, 02CMe) and [MHCl(C0)(PPh3)3] (M = Ru, 0s) with 1,1-diphenylprop-2-yn-1-ol provide convenient access to alkynyl, alkenyl, propenylidene, and acetoxyallenyl complexes of divalent ruthenium and osmium, including [RuCl2(=CHCH=CPh2)(PPh3)2] and the complexes [Ru(CCCPh20H)-(02CMe)(CA)2(PPh3)2] (A = NCMe3, 0), protonation (HPF6) of which provides [Ru(02CMe)(=C=C=CPh2)-(CNCMe3)2(PPh3)2]PF6 or the metallacycle [Ruκ2C, 0-C(=C=CPh2)02CMe}(C0)2(PPh3)2]PF6, respectively.
[RuHX(PPh3)3](X = Cl、02CMe)和[
MHCl(C0)(PPh3)3](M = Ru、0s)与 1,1-二苯基丙-2-炔-1-醇的反应为获得二价
钌和
锇的炔基、烯基、亚
丙烯基和乙酰氧基烯基配合物提供了便利、包括 [RuCl2(=CHCH=CPh2)(PPh3)2]和络合物 [Ru(CCCPh20H)-(02CMe)(CA)2(PPh3)2](A = NCMe3,0)、质子化(
HPF6),分别生成[Ru(02CMe)(=C=C=CPh2)-(CNCMe3)2(PPh3)2]PF6 或
金属环[Ruδ2C,0-C(=C=CPh2)02CMe}(C0)2(PPh3)2]PF6。