Bimetallic System for Nitrogen Fixation: Ruthenium-Assisted Protonation of Coordinated N 2 on Tungsten with H 2
- 23 January 1998
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 279 (5350), 540-542
- https://doi.org/10.1126/science.279.5350.540
Abstract
Treatment of the tungsten dinitrogen complexcis-[W(N2)2(PMe2Ph)4] (Me = methyl, Ph = phenyl) with an equilibrium mixture of [RuCl(dppp)2]X andtrans-[RuCl(η2-H2)(dppp)2]X [X = BF4, PF6, or OSO2CF3; dppp = 1,3-bis(diphenylphosphino)propane] under 1 atmosphere of dihydrogen at 55 degrees Celsius for 24 hours gave NH3 in moderate yield. The same reaction in the presence of acetone produced acetone azine in high yield. None of these reactions proceeded in the absence of dihydrogen.Keywords
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