Volume 39, Issue 16 pp. 2948-2950
Communication

Domino Michael Aldol and Domino Michael Mannich Reactions: Highly Stereoselective Synthesis of Functionalized Cyclohexanes

Christoph Schneider Priv.-Doz. Dr.

Christoph Schneider Priv.-Doz. Dr.

Institut für Organische Chemie der Universität Tammannstrasse 2, 37077 Göttingen (Germany) Fax: (+49) 551-399660

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Oliver Reese Dipl.-Chem.

Oliver Reese Dipl.-Chem.

Institut für Organische Chemie der Universität Tammannstrasse 2, 37077 Göttingen (Germany) Fax: (+49) 551-399660

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This work has been supported by the Deutsche Forschungsgemeinschaft (Schn 441/1–2), the Fonds der Chemischen Industrie (doctoral fellowship to O. R.) and Degussa Hüls AG. We thank Prof. L. Tietze for constant support.

Abstract

Enantiopure and highly functionalized cyclohexanes may be accessed in a single step and with high stereocontrol from the 7-oxo-2-enimides 1 with use of the title reactions (see scheme). The bifunctional substrates 1 are available by a thermal [3.3]-sigmatropic rearrangement of aldol products. Xc=chiral auxiliary; M=Cu, Al.

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