Synthesis and X-ray Structural Characterization of a Rhodium(I) Complex of a Pyridyldiphosphine (PNP) Tridentate Ligand

Michael P. Anderson; Bruce M. Mattson; Louis H. Pignolet

doi:10.1021/ic00160a037

Synthesis and X-ray Structural Characterization of a Rhodium(I) Complex of a Pyridyldiphosphine (PNP) Tridentate Ligand

Michael P. Anderson, Bruce M. Mattson, Louis H. Pignolet

Department of Chemistry

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

39 Scopus citations

Abstract

There has been much recent interest in the use of cationic rhodium (I) complexes that contain chelating diphosphine ligands for catalytic hydrogenation^1-4 and decarbonylation^5-7 reactions. Results from our laboratory on the catalytic decarbonylation of aldehydes using [Rh(diphosphine)₂]⁺ complexes strongly implicate a mechanism that involves an initial Rh-P bond rupture that leads to a catalytically active three-coordinate complex.^7,8 In order to test this possibility, a study that makes use of complexes of chelating phosphorus-nitrogen (PN) donor ligands was initiated. With such ligands the N donor end is known to be labile.⁹ As part of this general investigation a PNP ligand was synthesized.

Original language	English (US)
Pages (from-to)	2644-2647
Number of pages	4
Journal	Inorganic Chemistry
Volume	22
Issue number	18
DOIs	https://doi.org/10.1021/ic00160a037
State	Published - Aug 1983

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic00160a037

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title = "Synthesis and X-ray Structural Characterization of a Rhodium(I) Complex of a Pyridyldiphosphine (PNP) Tridentate Ligand",

abstract = "There has been much recent interest in the use of cationic rhodium (I) complexes that contain chelating diphosphine ligands for catalytic hydrogenation1-4 and decarbonylation5-7 reactions. Results from our laboratory on the catalytic decarbonylation of aldehydes using [Rh(diphosphine)2]+ complexes strongly implicate a mechanism that involves an initial Rh-P bond rupture that leads to a catalytically active three-coordinate complex.7,8 In order to test this possibility, a study that makes use of complexes of chelating phosphorus-nitrogen (PN) donor ligands was initiated. With such ligands the N donor end is known to be labile.9 As part of this general investigation a PNP ligand was synthesized.",

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T1 - Synthesis and X-ray Structural Characterization of a Rhodium(I) Complex of a Pyridyldiphosphine (PNP) Tridentate Ligand

AU - Anderson, Michael P.

AU - Mattson, Bruce M.

AU - Pignolet, Louis H.

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N2 - There has been much recent interest in the use of cationic rhodium (I) complexes that contain chelating diphosphine ligands for catalytic hydrogenation1-4 and decarbonylation5-7 reactions. Results from our laboratory on the catalytic decarbonylation of aldehydes using [Rh(diphosphine)2]+ complexes strongly implicate a mechanism that involves an initial Rh-P bond rupture that leads to a catalytically active three-coordinate complex.7,8 In order to test this possibility, a study that makes use of complexes of chelating phosphorus-nitrogen (PN) donor ligands was initiated. With such ligands the N donor end is known to be labile.9 As part of this general investigation a PNP ligand was synthesized.

AB - There has been much recent interest in the use of cationic rhodium (I) complexes that contain chelating diphosphine ligands for catalytic hydrogenation1-4 and decarbonylation5-7 reactions. Results from our laboratory on the catalytic decarbonylation of aldehydes using [Rh(diphosphine)2]+ complexes strongly implicate a mechanism that involves an initial Rh-P bond rupture that leads to a catalytically active three-coordinate complex.7,8 In order to test this possibility, a study that makes use of complexes of chelating phosphorus-nitrogen (PN) donor ligands was initiated. With such ligands the N donor end is known to be labile.9 As part of this general investigation a PNP ligand was synthesized.

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