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Cyclopentadienyl-ruthenium and -osmium chemistry. XXIII. Synthesis and reactions of some hydrido complexes containing ruthenium or osmium, and related chemistry
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1984
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The hydrido complexes HM(PPh3)2(?-C5H5) (M = Ru, Os), HFe(dppe)(?-C5H5), HRu(L2)(?-C5H5) (L2 = dppe, dppm or dpae), HRu(AsPh3),(?-C5H5), HRu(L)(PPh3)(?-C5H5) [L = CNBut, P(OPh)3] have been obtained from reactions between the analogous chloro complexes and NaOMe/MeOH; RuCI[P(OPh)3]2(?-C5H5) affords the cyclometallated Ru[(C6H4O)P(OPh)3)2][P(Oph)3]?-C5H5) under these conditions. Reactions between HRu(PPh3)2(? C5H5) and HX or CHX3 (X = Cl, Br, I) afford the corresponding halo complexes RuX(PPh3)2(?-C5H5); CS2 reacts with HRuL2(?-C5H5) (L = PPh3, L2 = dppe) to give the corresponding dithioformato derivatives. Ligand-exchange reactions of HRu(PPh3)2(? -C5H5) with CO or dppe proceed with difficulty at temperatures of c. 150-200ºC in an autoclave.