✦ LIBER ✦
Carbon-13 magnetic resonance studies of cyclic compounds. 2. Carbon-13 chemical shift parameters for equatorial and axial substituents in cyclohexane: The substituents methyl, ethyl, isopropyl, methoxy and phthalimido
✍ Scribed by H. Booth; J. R. Everett; R. A. Fleming
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 359 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0749-1581
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✦ Synopsis
Abstract
Carbon‐13 chemical shift parameters for equatorial and axial substituents in cyclohexane are reported for methyl, ethyl, isopropyl, methoxy and phthalimido substituents. The usefulness of the alkyl parameters is demonstrated by the agreement between calculated and observed ^13^C shifts for trans‐1,4‐dialkylcyclohexanes (alkyl = Me, Et, i‐Pr) and for both conformations of cis‐1,4‐dialkylcyclohexanes (alkyl = Me, Et, i‐Pr).