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Published May 1, 1972 | public
Journal Article

Nuclear Magnetic Resonance Spectroscopy. Conformational Equilibriums and Equilibration of 3,3-Difluoro-Trans-cyclodecene


On cooling 3,3-difluoro-trans-cyclodecene from room temperature to - 152º, three different processes which equilibrate cyclodecene conformations appear to become slow on the nmr time scale. At -152º, at least five out of eight possible conformational classes are present, four of which are separated by 0.8 kcal/mol or less. The free energy of activation for the slowest of the equilibration processes compares well with that for trans-cyclodecene itself.

Additional Information

© 1972 American Chemical Society. Received May 17, 1971. Supported by the National Science Foundation. National Science Foundation Summer Fellow, 1966 and 1968; National Defense Education Act Trainee, 1968-1969; (b) National Science Foundation Postdoctoral Fellow, 1970-1971.

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