Proton couplings in cyclohexane
β Scribed by Garbisch, Edgar W.; Griffith, Michael G.
- Book ID
- 120598441
- Publisher
- American Chemical Society
- Year
- 1968
- Tongue
- English
- Weight
- 237 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0002-7863
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## Abstract Longβrange ^13^C,H NMR coupling constants were measured in strychnine at 400 MHz by a method that employs selective excitation of individual ^13^C sites under decoupled conditions followed by polarization transfer to protons. The sensitivity was improved by performing eight simultaneous
In the vicmity of the average energy approximation, all proton-proton coupling contnbutions obtamed by INDO FPT are given simple expressions. The method naturally iritroduces a new relocalization procedure which visuahzes all effects in a localized orbital model.