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  Home > JCE Print > Journal of Chemical Education > Issues > 2002  > June  >
In the Laboratory
Aqueous-Phase Palladium-Catalyzed Coupling. A Green Chemistry Laboratory Experiment
Brandy A. Harper, J. Chance Rainwater, Kurt Birdwhistell, and D. Andrew Knight
Department of Chemistry, Loyola University, New Orleans, LA 70118
Cover
June 2002
Vol. 79 No. 6
p. 729
Abstract
An upper-level inorganic/organic experiment presents important concepts in modern green chemistry. A water-soluble modified triphenylphosphine ligand is prepared and used to prepare a water-soluble palladium catalyst. The palladium catalyst is formed in situ and used for the aqueous, homogenous, palladium-catalyzed cross-coupling reaction of iodobenzene and diethyl phosphite. The product is diethyl phenylphosphonate.

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Supplement
General notes on experimental methods, hazards, disposal, spectra, and spectral data for diethyl phenylphosphonate (1H NMR and IR) and m-TPPMS (31P NMR) are available.
*  Contents JCE2002p0729W.doc (Microsoft Word)
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*  Citation
 Harper, Brandy A.; Rainwater, J. Chance; Birdwhistell, Kurt; Knight, D. Andrew. J. Chem. Educ. 2002 79 729.
*  Keywords
 Catalysis; Environmental Chemistry; Laboratory Instruction; NMR Spectrometry; Palladium; Water / Water Chemistry
*  History
 Created:
Last Updated:		 May 17, 2002
March 16, 2005
Link to Cover added (April 2004).
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