In this work it was sought to explore the versatility of geminal spin-spin coupling constants, 2 J XY SSCCs, as probes for stereochemical studies. A set of compounds, where their experimental 2 J XY SSCCs through the X-C-Y molecular fragment are predicted to be sensitive to hyperconjugative interact
Stereochemical dependence of geminal selenium?carbon coupling constants
โ Scribed by Reich, Hans J.; Trend, John E.
- Book ID
- 111928909
- Publisher
- The Royal Society of Chemistry
- Year
- 1976
- Tongue
- English
- Weight
- 148 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0022-4936
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## Abstract CC coupling constants of ten bicyclic hydrocarbons and ten cyclic ethers or carbonyl compounds were determined from the satellites of broad band decoupled spectra or from INADEQUATE measurements. The influences of valence angles, dihedral angles, hybridization and heterosubstitution on
## Abstract Geminal ^15^N๏ฃฟ^13^C coupling constants have been measured in a series of ^15^Nโenriched 1โphenylโ3,5โdialkylโsubstituted pyrazoles. The importance of the orientation of the nitrogen loneโpair in determining the magnitude of ^2^__J__(^15^N^13^C) values is reflected in the enhanced coupli