Issue 6, 2011
From the journal:

Dalton Transactions

[1,2,3]Triazolo[1,5-a]pyridyl phosphines reflecting the influence of phosphorus lone pair orientation on spectroscopic properties†

Rafael Ballesteros-Garrido,a   Laurence Bonnafoux,a   Fernando Blanco,*c   Rafael Ballesteros,*b   Frédéric R. Leroux,*a   Belén Abarca,*b   Françoise Colobert,*a   Ibon Alkortad  and  José Elguerod  

* Corresponding authors

a Laboratoire de stéréochimie (UMR7509), CNRS-Université de Strasbourg (ECPM), 25 rue Becquerel, Strasbourg, France
E-mail: frederic.leroux@unistra.fr, francoise.colobert@unistra.fr
Fax: +33 3.68.85.27.42

b Departamento de Química Orgánica Facultad de Farmacia, Universidad de Valencia Avda. Vicente Andrés Estellés s/n, Burjassot, Valencia, Spain
E-mail: belen.abarca@uv.es

c School of Chemistry, University of Dublin, Trinity College, Dublin 2, Ireland
E-mail: blancof@tcd.ie

d Instituto de Química Médica, CSIC, Juan de la Cierva 3, Madrid, Spain

Abstract

A series of new triazolopyridine-based phosphines has been prepared. These compounds revealed unexpected spectroscopic patterns. In particular, the NMR spectra are highly dependent on the relative conformational preference of the phosphine substituent at C7. Here, we report on their complete NMR analysis, X-ray structures and DFT calculations that confirm the particular arrangement of the phosphorus lone pair orbital related to the substituent pattern of the chosen phosphine.

Graphical abstract: [1,2,3]Triazolo[1,5-a]pyridyl phosphines reflecting the influence of phosphorus lone pair orientation on spectroscopic properties

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Article information

DOI
https://doi.org/10.1039/C0DT01183E
Article type
Paper
Submitted
07 Sep 2010
Accepted
12 Nov 2010
First published
23 Dec 2010

Dalton Trans., 2011,40, 1387-1395

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[1,2,3]Triazolo[1,5-a]pyridyl phosphines reflecting the influence of phosphorus lone pair orientation on spectroscopic properties

R. Ballesteros-Garrido, L. Bonnafoux, F. Blanco, R. Ballesteros, F. R. Leroux, B. Abarca, F. Colobert, I. Alkorta and J. Elguero, Dalton Trans., 2011, 40, 1387 DOI: 10.1039/C0DT01183E

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