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Stereochemistry of cyclobutanone resulted from cycloadditions of t-butylcyanoketene to bicyclo[2.2.1]heptene derivatives, as evidence for a π2s+π2a reaction mode

✍ Scribed by Mircea D. Gheorghiu; Constantin Drăghici; Luminita Pârvulescu


Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
422 KB
Volume
33
Category
Article
ISSN
0040-4020

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The 2π + 2π cycloaddition of an allyl ca
✍ Paul G. Gassman; Subhash P. Chavan; Lawrence B. Fertel 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 261 KB

Treatment of (lZ,3E)-cycloalkadienes with 2-vinyl-1,3-dioxolane under acidic conditions produced 1:l cycloadducts in which an intermediate ally1 cation added to the dienes to give tram-fused cyclobutanes as the major products.