Sonochemical asymmetric hydrogenation of isophorone on proline modified Pd/Al2O3 catalysts

Shilpa C. Mhadgut; Imre Bucsi; Marianna Török; Béla Török

doi:10.1039/B315244H

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Sonochemical asymmetric hydrogenation of isophorone on proline modified Pd/Al₂O₃catalysts

Shilpa C. Mhadgut,^a Imre Bucsi,^a Marianna Török^a and Béla Török*^a

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* Corresponding authors

^a Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
E-mail: btorok@mtu.edu

Abstract

The sonochemical asymmetric hydrogenation of isophorone (3,3,5-trimethyl-2-cyclohexenone) by proline-modified Pd/Al₂O₃ catalysts is described; presonication of a commercial Pd/Al₂O₃-proline catalytic system resulted in highly enhanced enantioselectivities (up to 85% ee).

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Article information

DOI: https://doi.org/10.1039/B315244H
Article type: Communication
Submitted: 24 Nov 2003
Accepted: 26 Feb 2004
First published: 19 Mar 2004

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Chem. Commun., 2004, 984-985

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Sonochemical asymmetric hydrogenation of isophorone on proline modified Pd/Al₂O₃ catalysts

S. C. Mhadgut, I. Bucsi, M. Török and B. Török, Chem. Commun., 2004, 984 DOI: 10.1039/B315244H

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Chemical Communications