The structural dependence of the inductive effect. Part VI. The calculation of vicinal proton–proton spin–spin coupling constants in substituted ethanes
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 5,p. 536-539
- https://doi.org/10.1039/p29720000536
Abstract
The effects of substituents upon vicinal coupling constants between protons in individual rotational isomers of some substituted ethanes are analysed by a method analogous to that developed for nuclear shielding. Equations are given which enable such coupling constants to be calculated to a satisfactorily high degree of precision (±0·18–0·27 Hz) and which explain certain trends which were not explicable by previous treatmentsKeywords
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