Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 336, Issue 1-2, Pages 72-77Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2011.01.001
Keywords
Asymmetric C-C hydrogenation; Isophorone; Proline chiral auxiliary; Acidic; Basic additives
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The kinetic resolution of 3,5,5-trimethyl cyclohexanone (TMCH) and the asymmetric hydrogenation of isophorone (IP) were investigated both in the presence of (S)-proline (Pro) and of basic and acidic additives. The aim was to find out how the bidirectional shift from the zwitterionic form of proline can influence the reaction rates and stereoselectivities of these reactions. (C) 2011 Elsevier B.V. All rights reserved.
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