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Diverse origins of conformational equilibrium isotope effects for hydrogen in 1,3-dioxans

✍ Scribed by Carolyn A. Carr; Stephen L.R. Ellison; Michael J.T. Robinson

Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
285 KB
Volume
30
Category
Article
ISSN
0040-4039

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The 'H and IBF NMR parameters of 5-fluoro-1,3-dioxan (1) dissolved in a number of solvent systems are interpreted on the basis of fast inversion between two chair conformations. In cyclohexane solution the two chair conformations are almost equally populated, whereas in more polar solvents, such as