Synthesis 2008(7): 1033-1038  
DOI: 10.1055/s-2008-1066985
PAPER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Sedamine by Cycloisomerisation of an Allenic Hydroxylamine

Roderick W. Bates*, Joseph A. Nemeth, Robert H. Snell
Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore­ 637371, Singapore
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Publikationsverlauf

Received 19 August 2007
Publikationsdatum:
06. März 2008 (online)

Abstract

Isoxazolidines have been prepared in a stereoselective manner by treatment of allenic hydroxylamines with silver(I). This methodology has been used in a short synthesis of the alkaloid (+)-sedamine.

12

Cossy et al. also employed RCM to form the piperidine ring, but at a different position, see ref. 4i.