Synthesis and Structural Characterization of M(PMe<sub>3</sub>)<sub>3</sub>(O<sub>2</sub>CR)<sub>2</sub>(OH<sub>2</sub>)H<sub>2</sub> (M = Mo, W): Aqua−Hydride Complexes of Molybdenum and Tungsten
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Mo(PMe3)6 and W(PMe3)4(η2-CH2PMe2)H undergo oxidative addition of the O−H bond of RCO2H to yield sequentially M(PMe3)4(η2-O2CR)H and M(PMe3)3(η2-O2CR)(η1-O2CR)H2 (M = Mo and R = Ph, But; M = W and R = But). One of the oxygen donors of the bidentate carboxylate ligand may be displaced by H2O to give rare examples of aqua−dihydride complexes, M(PMe3)3(η1-O2CR)2(OH2)H2, in which the coordinated water molecule is hydrogen-bonded to both carboxylate ligands.
创建时间：
2016-05-05
