ChemInform Abstract: Convenient Synthesi
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Y. HIMEDA; Y. TANAKA; I. UEDA; M. HATANAKA
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Article
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2010
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John Wiley and Sons
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Convenient Synthesis of Substituted Cyclopentenones via [3 + 2] Annulation of Allylidenetriphenylphosphorane with 1,2-Diacylethylenes: Application to Synthesis of (ยฑ)-Methyl Dehydrojasmonate. -Phosphoranes (I) undergo annulation with diacylethylenes (II) to give cyclopentadienes (III) and (IV) as m