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Geminal coupling constants in methylene groups

โœ Scribed by R.C. Cookson; T.A. Crabb


Publisher
Elsevier Science
Year
1972
Tongue
French
Weight
281 KB
Volume
28
Category
Article
ISSN
0040-4020

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๐Ÿ“œ SIMILAR VOLUMES


Geminal coupling constants in methylene
โœ R. Cahill; T. A. Crabb; R. F. Newton ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 102 KB

## Abstract Values of __J__(5aโ€”5e) for indolizidine and related systems show that, contrary to results described in an earlier communication, these couplings do not differ markedly from the corresponding geminal coupling constant in quinolizidine.

Geminal coupling constants in group IV h
โœ H. Dreeskamp; Chr. Schumann ๐Ÿ“‚ Article ๐Ÿ“… 1968 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 202 KB

By a series of nuclear magnetic double-resonance experiments it is shown t-hat the geminaL H-H and H-C ccupling constants of group IV hydrides are increasing from C to Pb in accordance with a -qualitative argument on the basis of molecular orbital theory.

Spin-spin coupling constants for methyle
โœ Takeshi Takahashi ๐Ÿ“‚ Article ๐Ÿ“… 1964 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 265 KB

GUTOWSKY, Karplus and Grant' have found that the spin-spin coupling constant between methylene protons depended on the H-C-H bond angle of the methylene group and also suggested that some other factors 1

Geminal proton-proton coupling constants
โœ J. L. Sudmeier; D. R. Murayama ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 140 KB

KNOWLEDGE of the effects of amine substituents on chemical shifts and coupling constants is important in elucidating the distributions of dissociable protons and rotamers in amino acids and other amine compounds at various pH values. In previous studies of 2,5-dimethylpiperazine and its hydrochlorid