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Conformational dependence of vicinal hydrogen-nitrogen-carbon-hydrogen coupling constants in peptides

✍ Scribed by Barfield, Michael.; Gearhart, Harry L.


Book ID
126141617
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
365 KB
Volume
95
Category
Article
ISSN
0002-7863

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πŸ“œ SIMILAR VOLUMES


Conformational dependence of vicinal 13C
✍ P. Mohanakrishnan; K. R. K. Easwaran πŸ“‚ Article πŸ“… 1979 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 308 KB πŸ‘ 1 views

## Abstract Theoretical calculations of the heteronuclear vicinal coupling constant ^3^__J__(^13^Cβ€²NC^Ξ±^H) in peptides have been carried out using the Dirac vector model. The results showed an angular dependence for this coupling constant, which can be expressed in the form ^3^__J__(^13^Cβ€²NC^Ξ±^H) =

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A theoretical study is presented of the dependence on the hydroxymethyl group conformation of vicinal carbon-proton coupling constant 3Jc, n in a series of 16 hexopyranoses. Calculated 3Jc, H values for both anomers of o-glucopyranose (1), D-mannopyranose (2), D-allopyranose (3), D-altropyranose (4)

The conformational dependence of vicinal
✍ Stefan Berger πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 324 KB

## Abstract A series of alicyclic compounds with dihedral angles of 0Β°, 60Β°, 90Β°, 120Β° and 180Β° between a ^13^C‐labelled carbon atom and a carbon atom separated by three bonds from the label has been synthesized. The vicinal ^13^C^13^C spin coupling constants were measured, and from the results a K