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Structure of Diels-Alder reaction adducts of certain propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione

✍ Scribed by Agmon, I. ;Ashkenazi, P. ;Kaftory, M.


Book ID
114509279
Publisher
International Union of Crystallography
Year
1992
Tongue
English
Weight
616 KB
Volume
48
Category
Article
ISSN
0108-2701

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Propellanes. Part LXXI. Confirmation of
✍ 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