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Propellanes: Part LXXXV. Confirmation of predicted regiospecificity in diels-alder reactions of certain propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione

✍ Scribed by Pnina Ashkenazi; Menachem Kaftory; Tuǧmac SayracÇ; Gunther Maier; David Ginsburg

Book ID
107857359
Publisher
Elsevier Science
Year
1986
Tongue
French
Weight
129 KB
Volume
42
Category
Article
ISSN
0040-4020

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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