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Propellanes—XLI: The diels-alder reaction of a tetraenic lactone with 4-phenyl-1,2,4-triazoline-3,5-dione

✍ Scribed by J. Kalo; D. Ginsburg; J.J. Bloomfield

Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
187 KB
Volume
34
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES

Propellanes. Part LXXI. Confirmation of
Propellanes. Part LXXI. Confirmation of predicted regiospecificity in Diels-Alder reactions of certain propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione
✍ Pnina Ashkenazi; Menachem Kaftory; Tuǧmaç Sayraç; Günther Maier; David Ginsburg 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 German ⚖ 156 KB 👁 1 views

## Abstract Two isomeric propellane epoxides **1a** and **1b** containing a cyclohexadiene ring are attacked by the title dienophile as predicted, __syn__ to the five‐membered ether ring whose α‐hydrogens exert less repulsion than the α‐epoxy hydrogens or the epoxide oxygen, respectively, of the cy