Platinum Metal Complexes of Amine- and Ether-Substituted Phosphines

Thomas B. Rauchfuss; Felix T. Patino; D. Max Roundhill

doi:10.1021/ic50145a043

Platinum Metal Complexes of Amine- and Ether-Substituted Phosphines

Thomas B. Rauchfuss, Felix T. Patino, D. Max Roundhill

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Abstract

o-Diphenylphosphinoanisole (PO), o-diphenylphosphinobenzyl methyl ether (PCO), and o-diphenylphosphino-N,N-dimethylbenzylamine (PCN) have been synthesized. New platinum metal complexes of these ligands and o-diphenylphosphino-N,N-dimethylaniline (PN) have been prepared. Chelate complexes [Pt(PN)₂](ClO₄)₂, PtCl₂(PCN), PdCl₂(PCN), CoCl₂(PCN), RhCl(CO)PCN, RuCl₂(PO)₂, RuBr₂(PO)₂, RuCl₂(PCO)₂, and RuCl₂(PN)₂ have been isolated. ¹H nmr evidence is presented for chelation. The complex RuCl₂(PO)₂ will readily undergo carbonylation to give RuCl₂(CO)(PO)₂ and RuCl₂(CO)₂(PO)₂. The complexes PtCl₂(PO)₂, PtCl₂(PCO)₂, PdCl₂(PO)₂, and PdCl₂(PCO)₂ have been prepared, coordination being solely through the phosphines. The position and multiplicity of the metal-chlorine stretching frequencies are used as a guide to stereochemistry. The temperature-dependent ¹H nmr spectrum of RhCl(CO)PCN shows that the two nonequivalent TV-methyl groups are undergoing fast exchange at room temperature.

Original language	English (US)
Pages (from-to)	652-656
Number of pages	5
Journal	Inorganic Chemistry
Volume	14
Issue number	3
DOIs	https://doi.org/10.1021/ic50145a043
State	Published - Mar 1 1975
Externally published	Yes

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Physical and Theoretical Chemistry
Inorganic Chemistry

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@article{32047cd293bf4b94b60871a278cbe9e4,

title = "Platinum Metal Complexes of Amine- and Ether-Substituted Phosphines",

abstract = "o-Diphenylphosphinoanisole (PO), o-diphenylphosphinobenzyl methyl ether (PCO), and o-diphenylphosphino-N,N-dimethylbenzylamine (PCN) have been synthesized. New platinum metal complexes of these ligands and o-diphenylphosphino-N,N-dimethylaniline (PN) have been prepared. Chelate complexes [Pt(PN)2](ClO4)2, PtCl2(PCN), PdCl2(PCN), CoCl2(PCN), RhCl(CO)PCN, RuCl2(PO)2, RuBr2(PO)2, RuCl2(PCO)2, and RuCl2(PN)2 have been isolated. 1H nmr evidence is presented for chelation. The complex RuCl2(PO)2 will readily undergo carbonylation to give RuCl2(CO)(PO)2 and RuCl2(CO)2(PO)2. The complexes PtCl2(PO)2, PtCl2(PCO)2, PdCl2(PO)2, and PdCl2(PCO)2 have been prepared, coordination being solely through the phosphines. The position and multiplicity of the metal-chlorine stretching frequencies are used as a guide to stereochemistry. The temperature-dependent 1H nmr spectrum of RhCl(CO)PCN shows that the two nonequivalent TV-methyl groups are undergoing fast exchange at room temperature.",

author = "Rauchfuss, {Thomas B.} and Patino, {Felix T.} and Roundhill, {D. Max}",

year = "1975",

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AU - Rauchfuss, Thomas B.

AU - Patino, Felix T.

AU - Roundhill, D. Max

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Y1 - 1975/3/1

N2 - o-Diphenylphosphinoanisole (PO), o-diphenylphosphinobenzyl methyl ether (PCO), and o-diphenylphosphino-N,N-dimethylbenzylamine (PCN) have been synthesized. New platinum metal complexes of these ligands and o-diphenylphosphino-N,N-dimethylaniline (PN) have been prepared. Chelate complexes [Pt(PN)2](ClO4)2, PtCl2(PCN), PdCl2(PCN), CoCl2(PCN), RhCl(CO)PCN, RuCl2(PO)2, RuBr2(PO)2, RuCl2(PCO)2, and RuCl2(PN)2 have been isolated. 1H nmr evidence is presented for chelation. The complex RuCl2(PO)2 will readily undergo carbonylation to give RuCl2(CO)(PO)2 and RuCl2(CO)2(PO)2. The complexes PtCl2(PO)2, PtCl2(PCO)2, PdCl2(PO)2, and PdCl2(PCO)2 have been prepared, coordination being solely through the phosphines. The position and multiplicity of the metal-chlorine stretching frequencies are used as a guide to stereochemistry. The temperature-dependent 1H nmr spectrum of RhCl(CO)PCN shows that the two nonequivalent TV-methyl groups are undergoing fast exchange at room temperature.

AB - o-Diphenylphosphinoanisole (PO), o-diphenylphosphinobenzyl methyl ether (PCO), and o-diphenylphosphino-N,N-dimethylbenzylamine (PCN) have been synthesized. New platinum metal complexes of these ligands and o-diphenylphosphino-N,N-dimethylaniline (PN) have been prepared. Chelate complexes [Pt(PN)2](ClO4)2, PtCl2(PCN), PdCl2(PCN), CoCl2(PCN), RhCl(CO)PCN, RuCl2(PO)2, RuBr2(PO)2, RuCl2(PCO)2, and RuCl2(PN)2 have been isolated. 1H nmr evidence is presented for chelation. The complex RuCl2(PO)2 will readily undergo carbonylation to give RuCl2(CO)(PO)2 and RuCl2(CO)2(PO)2. The complexes PtCl2(PO)2, PtCl2(PCO)2, PdCl2(PO)2, and PdCl2(PCO)2 have been prepared, coordination being solely through the phosphines. The position and multiplicity of the metal-chlorine stretching frequencies are used as a guide to stereochemistry. The temperature-dependent 1H nmr spectrum of RhCl(CO)PCN shows that the two nonequivalent TV-methyl groups are undergoing fast exchange at room temperature.

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Platinum Metal Complexes of Amine- and Ether-Substituted Phosphines

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