Issue 8, 2005
From the journal:

Green Chemistry

Solubility of several analogues of triphenylphosphine in carbon dioxide

Christopher D. Ablan,a   Daniel Sheppard,a   Eric J. Beckman,b   Marilyn M. Olmsteada  and  Philip G. Jessop*c  

* Corresponding authors

a Department of Chemistry, University of California, Davis, CA, USA

b Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA, USA

c Department of Chemistry, Queen's University, Kingston, ON, Canada
E-mail: jessop@chem.queensu.ca

Abstract

Homogeneous catalysts often have poor solubility in supercritical CO2 (scCO2) because they contain aromatic ligands such as PPh3. The standard approach to this problem, adding fluorinated alkyl groups to the ligands, increases the cost and adds concerns about environmental persistence. Three fluorine-free strategies for increasing the solubility of PPh3-analogs in scCO2 have now been tested and two more soluble ligands identified.

Graphical abstract: Solubility of several analogues of triphenylphosphine in carbon dioxide

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Article information

DOI
https://doi.org/10.1039/B502442K
Article type
Paper
Submitted
17 Feb 2005
Accepted
27 Apr 2005
First published
25 May 2005

Green Chem., 2005,7, 590-594

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Solubility of several analogues of triphenylphosphine in carbon dioxide

C. D. Ablan, D. Sheppard, E. J. Beckman, M. M. Olmstead and P. G. Jessop, Green Chem., 2005, 7, 590 DOI: 10.1039/B502442K

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