Journal
TETRAHEDRON LETTERS
Volume 50, Issue 26, Pages 3185-3188Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.114
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Funding
- Deutsche Forschungsgemeinschaft [SPP 1179]
- Fonds der Chemischen Industrie
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A novel protocol for the organocatalytic conversion of arylglyoxals into the corresponding alpha-hydroxy arylacetic acid methyl esters has been developed. The catalyst consists of a combination of a commercially available cinchona alkaloid derivative and an achiral thiol and leads to enantiomerically enriched products (ee(max) 83%) under mild reaction conditions. The alkaloid can be easily recovered and reused without loss in activity and selectivity. (C) 2009 Elsevier Ltd. All rights reserved.
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