摘要:
                                Treatment of OsCl(=C=CHPh)(PPh3)(PCP) with thallium acetate produces the vinylidene complex OS(O2CCH3)(=C=CHPh)(PCP). Treatment of OsCl(PPh3)(PCP) with NaH in wet THF produces a mixture of the monohydride OsH(PPh3)(PCP) and the trihyhride OsH3-(PPh3)(PCP). The latter complexes react with phenylacetylene to give Os(C=CPh)(=C=CHPh)(PPh3)(1-(CHPh=C)-2,6-(PPh2CH2)(2)C6H3).