Nuclear spin-spin coupling via nonbonded interactions. 1. Conformational and substituent effects on vicinal carbon-13-proton and carbon-13-carbon-13 coupling constants
โ Scribed by Barfield, Michael
- Book ID
- 127065542
- Publisher
- American Chemical Society
- Year
- 1980
- Tongue
- English
- Weight
- 877 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
## Abstract A series of (>90% isotopic purity) ^13^Cโlabeled aliphatic alcohols of the general structure C๏ฃฟC๏ฃฟC๏ฃฟ^13^C๏ฃฟOH were synthesized and studied by ^13^C n.m.r. to obtain all ^13^C๏ฃฟ^13^C couplings involving the labeled carbon. The ^2^__J__(CC) values were small (<0.5 Hz) and contrast with the l
## Abstract Carbonโ13, proton coupling constants have been measured in eighteen different 2โsubstituted propanes. ^1^__J__(Cโ2,H) shows variations similar to those observed previously for monosubstituted methanes. ^2^__J__(Cโ2,H) is essentially independent of the substituent at Cโ2, while ^2^__J__(