Net Hydrogenation of Pt−NHPh Bond Is Catalyzed by Elemental Pt

Synthesis and characterization of the monomeric complex ( t bpy)Pt(Me)(NHPh) ( t bpy = 4,4′-di-tert-butyl-2,2′-dipyridyl) has been accomplished. Mechanistic studies reveal that 1,2-addition of dihydrogen across the Pt−anilido bond to initially produce ( t bpy)Pt(Me)(H) and free aniline is catalyzed...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2010-04, Vol.132 (13), p.4520-4521
Main Authors: Webb, Joanna R, Pierpont, Aaron W, Munro-Leighton, Colleen, Gunnoe, T. Brent, Cundari, Thomas R, Boyle, Paul D
Format: Article
Language:English
Subjects:
Catalysis
Hydrogen - chemistry
Hydrogenation
Models, Molecular
Molecular Structure
Organoplatinum Compounds - chemistry
Platinum - chemistry
Time Factors
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Summary:Synthesis and characterization of the monomeric complex ( t bpy)Pt(Me)(NHPh) ( t bpy = 4,4′-di-tert-butyl-2,2′-dipyridyl) has been accomplished. Mechanistic studies reveal that 1,2-addition of dihydrogen across the Pt−anilido bond to initially produce ( t bpy)Pt(Me)(H) and free aniline is catalyzed by elemental Pt rather than through a pathway that involves direct activation of H2 by Pt and 1,2-addition across the Pt−NHPh bond.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja9102309