Synlett 2006(20): 3507-3509  
DOI: 10.1055/s-2006-956495
LETTER
© Georg Thieme Verlag Stuttgart · New York

A Direct Entry to Carbasugars: Asymmetric Synthesis of 1-epi-(+)-MK7607

Christoph Grondal, Dieter Enders*
Institut für Organische Chemie, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
Fax: +49(241)8092127; e-Mail: Enders@rwth-aachen.de;
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Publikationsverlauf

Received 25 September 2006
Publikationsdatum:
08. Dezember 2006 (online)

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Abstract

A short and flexible synthesis of 5a-carbasugars is presented. The combination of a proline-catalyzed aldol reaction and a ring-closing metathesis affords 1-epi-(+)-MK7607 in seven steps with an overall yield of 23%.