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Lipase catalysis in ionic liquids and supercritical carbon dioxide at 150 degrees C
Pedro Lozano1, Teresa De Diego, Daniel Carrié
1Departamento de Bioquímica y Biología Molecular B e Inmunología, Facultad de Química, Universidad de Murcia, P.O. Box 4021, E-30100 Murcia, Spain.
Biotechnology Progress
|April 5, 2003
Abstract:
Free and immobilized Candida antarctica lipase B dispersed in ionic liquids (1-ethyl-3-methylimidazolium bistriflimide and 1-buthyl-3-methylimidazolium bistriflimide) were used as catalyst for the continuous kinetic resolution of rac-1-phenylethanol in supercritical carbon dioxide at 120 and 150 degrees C and 10 MPa. Excellent activity, stability and enantioselectivity levels were recorded in continuous operation.