Bis(diazaphospholidine) ligands for asymmetric hydroformylation: use of ESPHOS and derivatives based on ferrocene and diarylether backbones

Guy J Clarkson; Jeffrey R Ansell; David John Cole-Hamilton; Peter J Pogorzelec; John Whittell; Martin Wills

doi:10.1016/j.tetasy.2004.03.043

Bis(diazaphospholidine) ligands for asymmetric hydroformylation: use of ESPHOS and derivatives based on ferrocene and diarylether backbones

Guy J Clarkson, Jeffrey R Ansell, David John Cole-Hamilton, Peter J Pogorzelec, John Whittell, Martin Wills

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

Abstract

A series of investigations have been completed on the use of the bis(diazaphospholidine) ligand ESPHOS in asymmetric hydroformylation. This study serves to confirm the optimum conditions for the use of this ligand. Two further ligands, based on ferrocene and biphenylether backbones, are also reported, but both give inferior results in hydroformylation in comparison with ESPHOS itself. The results from the hydroformylation reactions, and other studies, suggest that the ferrocene and biarylether systems are acting as monodonor ligands, rather than bidentate. (C) 2004 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	1787-1792
Number of pages	6
Journal	Tetrahedron: Asymmetry
Volume	15
Issue number	11
DOIs	https://doi.org/10.1016/j.tetasy.2004.03.043
Publication status	Published - 7 Jun 2004

Keywords

HIGHLY ENANTIOSELECTIVE HYDROFORMYLATION
PHOSPHORUS-DONOR LIGANDS
PHOSPHINE-PHOSPHITE-RH(I) COMPLEXES
DIAZAPHOSPHOLIDINE LIGANDS
RHODIUM(I) COMPLEXES
PHOSPHINE LIGANDS
OLEFINS
CATALYSIS

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title = "Bis(diazaphospholidine) ligands for asymmetric hydroformylation: use of ESPHOS and derivatives based on ferrocene and diarylether backbones",

abstract = "A series of investigations have been completed on the use of the bis(diazaphospholidine) ligand ESPHOS in asymmetric hydroformylation. This study serves to confirm the optimum conditions for the use of this ligand. Two further ligands, based on ferrocene and biphenylether backbones, are also reported, but both give inferior results in hydroformylation in comparison with ESPHOS itself. The results from the hydroformylation reactions, and other studies, suggest that the ferrocene and biarylether systems are acting as monodonor ligands, rather than bidentate. (C) 2004 Elsevier Ltd. All rights reserved.",

keywords = "HIGHLY ENANTIOSELECTIVE HYDROFORMYLATION, PHOSPHORUS-DONOR LIGANDS, PHOSPHINE-PHOSPHITE-RH(I) COMPLEXES, DIAZAPHOSPHOLIDINE LIGANDS, RHODIUM(I) COMPLEXES, PHOSPHINE LIGANDS, OLEFINS, CATALYSIS",

author = "Clarkson, \{Guy J\} and Ansell, \{Jeffrey R\} and Cole-Hamilton, \{David John\} and Pogorzelec, \{Peter J\} and John Whittell and Martin Wills",

year = "2004",

month = jun,

day = "7",

doi = "10.1016/j.tetasy.2004.03.043",

language = "English",

volume = "15",

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journal = "Tetrahedron: Asymmetry",

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T1 - Bis(diazaphospholidine) ligands for asymmetric hydroformylation: use of ESPHOS and derivatives based on ferrocene and diarylether backbones

AU - Clarkson, Guy J

AU - Ansell, Jeffrey R

AU - Cole-Hamilton, David John

AU - Pogorzelec, Peter J

AU - Whittell, John

AU - Wills, Martin

PY - 2004/6/7

Y1 - 2004/6/7

N2 - A series of investigations have been completed on the use of the bis(diazaphospholidine) ligand ESPHOS in asymmetric hydroformylation. This study serves to confirm the optimum conditions for the use of this ligand. Two further ligands, based on ferrocene and biphenylether backbones, are also reported, but both give inferior results in hydroformylation in comparison with ESPHOS itself. The results from the hydroformylation reactions, and other studies, suggest that the ferrocene and biarylether systems are acting as monodonor ligands, rather than bidentate. (C) 2004 Elsevier Ltd. All rights reserved.

AB - A series of investigations have been completed on the use of the bis(diazaphospholidine) ligand ESPHOS in asymmetric hydroformylation. This study serves to confirm the optimum conditions for the use of this ligand. Two further ligands, based on ferrocene and biphenylether backbones, are also reported, but both give inferior results in hydroformylation in comparison with ESPHOS itself. The results from the hydroformylation reactions, and other studies, suggest that the ferrocene and biarylether systems are acting as monodonor ligands, rather than bidentate. (C) 2004 Elsevier Ltd. All rights reserved.

KW - HIGHLY ENANTIOSELECTIVE HYDROFORMYLATION

KW - PHOSPHORUS-DONOR LIGANDS

KW - PHOSPHINE-PHOSPHITE-RH(I) COMPLEXES

KW - DIAZAPHOSPHOLIDINE LIGANDS

KW - RHODIUM(I) COMPLEXES

KW - PHOSPHINE LIGANDS

KW - OLEFINS

KW - CATALYSIS

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DO - 10.1016/j.tetasy.2004.03.043

M3 - Article

VL - 15

SP - 1787

EP - 1792

JO - Tetrahedron: Asymmetry

JF - Tetrahedron: Asymmetry

IS - 11

ER -

Bis(diazaphospholidine) ligands for asymmetric hydroformylation: use of ESPHOS and derivatives based on ferrocene and diarylether backbones

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Keywords

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