Molybdenum Catalyzed Ammonia Borane Dehydrogenation: Oxidation State Specific Mechanisms
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https://figshare.com/articles/dataset/Molybdenum_Catalyzed_Ammonia_Borane_Dehydrogenation_Oxidation_State_Specific_Mechanisms/2037705
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资源简介：
Though numerous catalysts for the
dehydrogenation of
ammonia borane (AB) are known, those that release >2 equiv of H2 are uncommon. Herein, we report the synthesis of Mo complexes
supported by a para-terphenyl diphosphine ligand, 1, displaying metal–arene interactions. Both a Mo0 N2 complex, 5, and a MoII bis(acetonitrile) complex, 4, exhibit high levels of
AB dehydrogenation, releasing over 2.0 equiv of
H2. The reaction rate, extent of dehydrogenation, and reaction
mechanism vary as a function of the precatalyst oxidation state. Several
Mo hydrides (MoII(H)2, [MoII(H)]+, and [MoIV(H)3]+) relevant to AB chemistry were characterized.
创建时间：
2015-12-17
