Issue 3, 2010
From the journal:

Dalton Transactions

Access to the first (iminophosphoranyl)(selenophosphoranyl)methane ligands Ph2P([double bond, length as m-dash]Se)CH2P([double bond, length as m-dash]NR)Ph2: coordination of their methanide and methandiide anions to ruthenium†

Victorio Cadierno,*a   Josefina Díez,a   Joaquín García-Álvarez*a  and  José Gimenoa  

* Corresponding authors

a Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, Spain
E-mail: vcm@uniovi.es, garciajoaquin@uniovi.es
Fax: +(34) 985103446
Tel: +(34) 985102985

Abstract

A family of mixed (iminophosphoranyl)(selenophosphoranyl)methane ligands of general composition Ph2P([double bond, length as m-dash]Se)CH2P([double bond, length as m-dash]NR)Ph2 have been synthesized by oxidation of Ph2PCH2P([double bond, length as m-dash]NR)Ph2 with elemental selenium. In the presence of Et3N, these ligands react with [{RuCl(μ-Cl)(η6-p-cymene)}2] to afford mononuclear Ru(II) species in which the resulting methanide anions adopt a tridentate coordination. Further deprotonation with KH generates carbenic ruthenium derivatives which participate, under remarkably mild conditions, in C–C coupling processes with isocyanides.

Graphical abstract: Access to the first (iminophosphoranyl)(selenophosphoranyl)methane ligands Ph2P( [[double bond, length as m-dash]] Se)CH2P( [[double bond, length as m-dash]] NR)Ph2: coordination of their methanide and methandiide anions to ruthenium

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Article information

DOI
https://doi.org/10.1039/B916554A
Article type
Paper
Submitted
13 Aug 2009
Accepted
12 Oct 2009
First published
19 Nov 2009

Dalton Trans., 2010,39, 941-956

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Access to the first (iminophosphoranyl)(selenophosphoranyl)methane ligands Ph2P([double bond, length as m-dash]Se)CH2P([double bond, length as m-dash]NR)Ph2: coordination of their methanide and methandiide anions to ruthenium

V. Cadierno, J. Díez, J. García-Álvarez and J. Gimeno, Dalton Trans., 2010, 39, 941 DOI: 10.1039/B916554A

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