Convenient Synthesis of Substituted Cyclopentenones via [3 + 2] Annulation of Allylidenetriphenylphosphorane with 1,2-Diacylethylenes: Application to Synthesis of (±)-Methyl Dehydrojasmonate. -Phosphoranes (I) undergo annulation with diacylethylenes (II) to give cyclopentadienes (III) and (IV) as m
✦ LIBER ✦
Cyclopentenones from 2-ethoxyallylidene(triphenyl)phosphorane and 1,2-diacylethylenes: Synthesis of (±)-methyl dehydrojasmonate
✍ Scribed by Minoru Hatanaka; Yuichiro Himeda; Yasuhiro Tanaka; Ikuo Ueda
- Book ID
- 103407432
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 192 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0040-4039
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The study has been carried out to evaluate the feasibility of synthesis of 1-methyl-, 2-methyl-, 1,2-dimethyl-, and 1-ethyl-2methylphenanthrene through the annulation of the naphthalene system with the exploitation of the dicyanovinyl moiety of 2-naphthylalkylidenemalonodinitriles as an active elect