Synlett 1994; 1994(3): 178
DOI: 10.1055/s-1994-22783
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

A Short Synthesis of (±)-Untenone A, a Marine Sponge Cyclopentenone

Kei Takeda* , Ichiro Nakayama, Eiichi Yoshii
  • *Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-01, Japan
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
22. März 2002 (online)

First synthesis of (±)-untenone A (1) has been achieved in five steps from ß-(phenylthio)acryloylsilane (3) and involves, as a key step, a [3 + 2] annulation of 3 with the lithium enolate of 2-octadecanone.