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Published September 1, 1965 | public
Journal Article

Nuclear Magnetic Resonance Spectroscopy. Conformational Properties of Cyclobutanes. Variation of Vicinal Hydrogen—Fluorine Coupling Constants with Temperature

Abstract

The observation of substantial temperature variations of the vicinal hydrogen-fluorine coupling constants in a series of cyclobutanes is consistent with the existence of an equilibrium between conformations. The temperature dependencies are discussed in terms of the models developed previously. The magnitude of these couplings as a function of the dihedral angle appears to follow a relationship similar to that described by Karplus for proton-proton couplings.

Additional Information

© 1965 American Chemical Society. Received May 12, 1965. Supported in part by the Office of Naval Research and the National Science Foundation.

Additional details

Created:
August 19, 2023
Modified:
October 24, 2023