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Synlett 1994; 1994(3): 178
DOI: 10.1055/s-1994-22783
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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
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Publication Date:
22 March 2002 (online)

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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.

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