Synthesis of (−)-noranisatin, an oxidati
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Haruki Niwa; Shigeki Ito; Takashi Hasegawa; Kazumasa Wakamatsu; Tatsuya Mori; Ki
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Article
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1991
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Elsevier Science
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French
⚖ 128 KB
The synthesis of (-)-noranisatin (2), an oxidation product of anisatin (1) possessing a novel Spiro P-lactone,was achieved starting from trio1 5 prepared from (R)-(+)-pulegone (3). Anisatin (1) is a neurotoxic sesquiterpenoid isolated from the seeds of Japanese star anise (Illicium anisurum L., shi