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research
Triazolo[1,5-a]pyridyl phosphines reflecting the influence of phosphorus lone pair orientation on spectroscopic properties
Authors
B. Abarca
Ibon Alkorta
+7 more
R. Ballesteros
R. Ballesteros-Garrido
F. Blanco
L. Bonnafoux
François Colobert
José Elguero
Frédérc R. Leroux
Publication date
18 January 2013
Publisher
'Royal Society of Chemistry (RSC)'
Doi
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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. © 2011 The Royal Society of Chemistry.Peer Reviewe
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Last time updated on 25/05/2016