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• W1990114907 abstract "Reactions of coordinatively unsaturated Ru[N(Ph2PQ)2]2(PPh3) (Q = S (1), Se (2)) with pyridine (py), SO2, and NH3 afford the corresponding 18e adducts Ru[N(Ph2PQ)2]2(PPh3)(L) (Q = S, L = NH3 (5); Q = Se, L = py (3), SO2 (4), NH3 (6)). The molecular structures of complexes 2 and 6 are determined. The geometry around Ru in 2 is pseudo square pyramidal with PPh3 occupying the apical position, while that in 6 is pseudooctahedral with PPh3 and NH3 mutually cis. The Ru−P distances in 2 and 6 are 2.2025(11) and 2.2778(11) Å, respectively. The Ru−N bond length in 6 is 2.185(3) Å. Treatment of 1 or 2 with substituted hydrazines L or NH2OH yields the respective adducts Ru[N(Ph2PQ)2]2(PPh3)(L) (Q = S, L = NH2NH2 (12), t-BuNHNH2 (14), 1-aminopiperidine (C5H10NNH2) (15); Q = Se, L = PhCONHNH2 (7), PhNHNH2 (8), NH2OH (9), t-BuNHNH2 (10), C5H10NNH2 (11), NH2NH2 (13)), which are isolated as mixtures of their trans and cis isomers. The structures of cis-14 and cis-15 are characterized by X-ray crystallography. In both molecular structures, the ruthenium adopts a pseudooctahedral arrangement with PPh3 and hydrazine mutually cis. The Ru−N bond lengths in cis-14·CH2Cl2 and cis-15 are 2.152(3) and 2.101(3) Å, respectively. The Ru−N−N bond angles in cis-14·CH2Cl2 and cis-15 are 120.5(4) and 129.0(2)°, respectively. Treatment of 1 with hydrazine monohydrate leads to the isolation of yellow 5 and red trans-Ru[N(Ph2PS)2]2(NH3)(H2O) (16), which are characterized by mass spectrometry, 1H NMR spectroscopy, and elemental analyses. The geometry around ruthenium in 16 is pseudooctahedral with the NH3 and H2O ligands mutually trans. The Ru−O and Ru−N bond distances are 2.118(4) and 2.142(6) Å, respectively. Oxidation reactions of the above ruthenium hydrazine complexes are also studied." @default.
• W1990114907 created "2016-06-24" @default.
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• W1990114907 date "2000-10-26" @default.
• W1990114907 modified "2023-10-03" @default.
• W1990114907 title "Ruthenium(II) Ammine and Hydrazine Complexes with [N(Ph₂PQ)₂]^- (Q = S, Se) Ligands" @default.
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• W1990114907 doi "https://doi.org/10.1021/ic000291c" @default.
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