| TECHNOLOGY |
To ease sepn of expensive catalysts in homogeneous catalysis; biphasic systems have been used. But biphasic systems show slow rates The researchers investigated the hydrogenation of alkenes catalyzed by water-soluble phosphine Rh complexes in biphasic system: Supercritical CO2/Water Surfactant emulsion The rates are comparable with single-phase reactions in organic solvents using Wilkinson's catalyst. The reactions are run at 40C & 4,000 psi. Simply reducing the pressure at end of reaction breaks the emulsion |
| UPDATE | 01.00 |
| AUTHOR |
Johnston Keith P; Prof of Chem. Engg. Uni Texas at Austin Tumas William; Los Alamos National Laboratory |
| LITERATURE REF. | J. Am. Chem. Soc., 121, p. 11902 (1999) |
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