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Synlett 2001; 2001(1): 0129-0131
DOI: 10.1055/s-2001-9692
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Diastereoselective Ce(III)-Catalyzed Pinacol Couplings of Aldehydes

Ulrich Groth* , Mario Jeske
  • *Fakultät für Chemie der Universität Konstanz, Universitätsstr. 10, Postfach M-720, 78457 Konstanz, Germany; Fax +49-7531-88 28 85; E-mail: ulrich.groth@uni-konstanz.de
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Publikationsdatum:
31. Dezember 2001 (online)

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Aliphatic and aromatic aldehydes were converted into the corresponding pinacoles by using different cerium catalysts. Ce(OtBu)3 proved to be superior over other cerium(III) catalysts. Especially the highly diastereoselective pinacol coupling of sterically non demanding aldehydes such as hexanal is remarkable.

catalysis - cerium - diastereoselectivity - lanthanides - pinacol coupling