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Published February 1969 | public
Journal Article

Two-Bond, Carbon-Proton Coupling in Halogenated Ethylenes

Abstract

The large differences between the two-bond, carbon-proton couplings in cis- and trans-disubstituted ethylenes have been difficult to account fora. As an aid to additional clarification of this problem, we have determined two-bond coupling constants of several halogenated ethylenes which are presented in Table I. The predicted ^(13)C spectrum of vinyl chloride was found to be sensitive to the relative signs of the carbon-proton coupling constants. The polyhaloethylenes exhibited first-order spectra and double resonance was required to obtain the relative signs.

Additional Information

© 1969 American Chemical Society. Received May 21, 1968. Supported in part by the National Science Foundation; National Science Foundation Predoctoral Fellow, 1965-1968.

Additional details

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