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Internal rotation of the NN-dimethylamino-group in aromatic and heteroaromatic systems

✍ Scribed by Barbieri, Giorgio; Benassi, Rois; Grandi, Romano; Pagnoni, Ugo Maria; Taddei, Ferdinando

Book ID
121333843
Publisher
Royal Society of Chemistry
Year
1979
Tongue
English
Weight
832 KB
Volume
3
Category
Article
ISSN
1472-779X

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📜 SIMILAR VOLUMES

Barriers to rotation of the dimethylamin
Barriers to rotation of the dimethylamino group in some 2-amino-4-(N,N-dimethylamino)pyrimidines
✍ C. H. J. Wells 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 171 KB 👁 1 views

## Abstract The free energy of activation for rotation about the exocyclic CN bond of the dimethylamino group of some 6‐substituted 2‐amino‐4‐(__N__,__N__‐dimethylamino)pyrmidines has been determined using ^1^H NMR line shape analysis. The results are discussed in terms of the relative electron‐wi

Hindered rotation of the dimethylamino a
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✍ R. Lozac'h; L. Legrand; J. Sandström 📂 Article 📅 1975 🏛 John Wiley and Sons 🌐 English ⚖ 346 KB

## Abstract Hindered rotation in two __o__‐substituted __N__,__N__‐dimethylthiobenzamides was investigated by variable temperature ^1^H NMR spectroscopy. For one compound, the enthalpies and entropies of activation for (i) thioamide group rotation around the ArC bond and (ii) dimethylamino group r