Issue 22, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

Effects of the ponytails of arylphosphines on the hydroformylation of higher olefins in supercritical CO2

Anna M. Banet Osuna,a   Weiping Chen,a   Eric G. Hope,b   Ray D. W. Kemmitt,b   Danny R. Paige,b   Alison M. Stuart,b   Jianliang Xiao*a  and  Lijin Xua  

* Corresponding authors

a Leverhulme Centre for Innovative Catalysis, Department of Chemistry, University of Liverpool, UK

b Department of Chemistry, University of Leicester, Leicester, UK

Abstract

A series of ponytail-appended arylphosphines P(C6H4R-m)3 (m = 4, R = n-C6F131, n-CH2CH2C6F133, n-C6H134, n-C10H215 or n-C16H336; m = 3, R = n-C6F132) have been studied in the rhodium-catalysed hydroformylation of higher olefins in supercritical CO2 (scCO2), with the perfluoroalkylated ligands exhibiting the highest and the alkylated one the lowest activities. The high rates derived from 1 and 2 probably originate from the strong electron-withdrawing effect of their ponytails, while the slow rates observed with 4–6 are mainly due to the low solubility of these ligands in scCO2.

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Article information

DOI
https://doi.org/10.1039/B006158L
Article type
Paper
Submitted
31 Jul 2000
Accepted
25 Sep 2000
First published
30 Oct 2000

J. Chem. Soc., Dalton Trans., 2000, 4052-4055

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Effects of the ponytails of arylphosphines on the hydroformylation of higher olefins in supercritical CO2

A. M. Banet Osuna, W. Chen, E. G. Hope, R. D. W. Kemmitt, D. R. Paige, A. M. Stuart, J. Xiao and L. Xu, J. Chem. Soc., Dalton Trans., 2000, 4052 DOI: 10.1039/B006158L

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