Examining the role of Rh/Si cooperation in alkene hydrogenation by a pincer-type [P2Si]Rh complex

A bis(phosphine)/triflatosilyl pincer-type Rh(i) complex can reversibly store one equivalent of H2 across the Si-Rh bond upon triflate migration from silicon to rhodium. The triflatosilyl complex serves as an effective precatalyst for norbornene hydrogenation, but Si-OTf bond cleavage is not implica...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2016-01, Vol.45 (24), p.9758-9761
Main Authors: Whited, Matthew T, Deetz, Alexander M, Donnell, Theodore M, Janzen, Daron E
Format: Article
Language:English
Subjects:
Bonding
Catalysis
Catalysts
Cooperation
Hydrogenation
Migration
Silicon
Strategy
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Summary:A bis(phosphine)/triflatosilyl pincer-type Rh(i) complex can reversibly store one equivalent of H2 across the Si-Rh bond upon triflate migration from silicon to rhodium. The triflatosilyl complex serves as an effective precatalyst for norbornene hydrogenation, but Si-OTf bond cleavage is not implicated in the major catalytic pathway. The combined findings suggest possible strategies for M/Si cooperation in catalytic processes.
ISSN:1477-9226
1477-9234
DOI:10.1039/c6dt00027d