Über eine ungewöhnliche Cyclisationsreak
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G. Ohloff; G. Uhde
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Article
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1970
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John Wiley and Sons
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German
⚖ 673 KB
+ )-Epoxy-a-dihydroionone (2) is formed completely stereospecifically from ( + )-aionone (1). Under the conditions of the Wharton reaction this epoxide gives the expected isomeric allyl alcohols 4 and 5 and, surprisingly, the bicyclic allyl alcohol 3. The structure and absolute configuration of the