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Variable temperature magnetic resonance spectra of 1-fluorocyclooctene

✍ Scribed by Frank J. Weigert; Donald R. Strobach

Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
133 KB
Volume
2
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

Variable temperature fluorine magnetic resonance spectra have been obtained for 1‐fluorocyclooctene. At low temperatures both the processes of ring inversion and pseudorotation are slow on the NMR time scale, and two distinguishable conformations can be observed with a free energy difference of 95 cal/mole and a fluorine chemical shift difference of 6·7 ppm. A process with a free energy of activation of 6·1 kcal/mole interconverts the two conformations.

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