New insights into the mechanism of asymmetric hydrogenation catalysed by monophosphonite-rhodium complexes

Ilya D. Gridnev; Cheng Fan; Paul G. Pringle

doi:10.1039/b617705k

New insights into the mechanism of asymmetric hydrogenation catalysed by monophosphonite-rhodium complexes

Ilya D. Gridnev, Cheng Fan, Paul G. Pringle

SCI - Chemistry

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

The solvento complex [Rh(L)₂(S)₂]⁺ where L = ^tBuP(R-binaphthoxo) is shown to be in equilibrium with an η-arene dirhodium complex and only weak, monodentate binding of alkenes is observed; in addition, an intermediate Rh alkyl hydride complex containing two coordinated monophosphonites is unambiguously characterised by NMR.

Original language	English
Pages (from-to)	1319-1321
Number of pages	3
Journal	Chemical Communications
Issue number	13
DOIs	https://doi.org/10.1039/b617705k
Publication status	Published - 2007 Jan 1

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "The solvento complex [Rh(L)2(S)2]+ where L = tBuP(R-binaphthoxo) is shown to be in equilibrium with an η-arene dirhodium complex and only weak, monodentate binding of alkenes is observed; in addition, an intermediate Rh alkyl hydride complex containing two coordinated monophosphonites is unambiguously characterised by NMR.",

author = "Gridnev, {Ilya D.} and Cheng Fan and Pringle, {Paul G.}",

year = "2007",

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N2 - The solvento complex [Rh(L)2(S)2]+ where L = tBuP(R-binaphthoxo) is shown to be in equilibrium with an η-arene dirhodium complex and only weak, monodentate binding of alkenes is observed; in addition, an intermediate Rh alkyl hydride complex containing two coordinated monophosphonites is unambiguously characterised by NMR.

AB - The solvento complex [Rh(L)2(S)2]+ where L = tBuP(R-binaphthoxo) is shown to be in equilibrium with an η-arene dirhodium complex and only weak, monodentate binding of alkenes is observed; in addition, an intermediate Rh alkyl hydride complex containing two coordinated monophosphonites is unambiguously characterised by NMR.

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New insights into the mechanism of asymmetric hydrogenation catalysed by monophosphonite-rhodium complexes

Abstract

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