| Overview |
| Instructions |
| Operating scheme |
| Substances |
| Equipment |
| Evaluation |
| Analytics |
| - Chromatogram |
| - 1H-NMR |
| - 13C-NMR |
| - IR |
|
|
|
; Side reactions |
13C-NMR |
| 13C-NMR: (-)-Menthol and (+)-Neomenthol, mixture | |||
| 400 MHz, CDCl3 | |||
| delta [ppm] | assignment | ||
| 15.97 | CH3 (isopropyl), (menthol) | ||
| 20.95 | CH3 (isopropyl), (menthol) | ||
| 22.15 | CH3 (methyl), (menthol) | ||
| 23.02 | C3 (cyclohexane), (menthol) | ||
| 25.67 | CH (isopropyl), (menthol) | ||
| 31.57 | C5 (cyclohexane), (menthol) | ||
| 34.48 | C4 (cyclohexane), (menthol) | ||
| 44.97 | C6 (cyclohexane), (menthol) | ||
| 50.01 | C2 (cyclohexane), (menthol) | ||
| 71.36 | C1 (CHOH), (menthol) | ||
| 20.64 | CH3 (isopropyl), (neomenthol) | ||
| 21.10 | CH3 (isopropyl), (neomenthol) | ||
| 22.28 | CH3 (methyl), (neomenthol) | ||
| 24.09 | C3 (cyclohexane), (neomenthol) | ||
| 25.72 | CH (isopropyl), (neomenthol) | ||
| 29.05 | C5 (cyclohexane), (neomenthol) | ||
| 34.99 | C4 (cyclohexane), (neomenthol) | ||
| 42.50 | C6 (cyclohexane), (neomenthol) | ||
| 47.88 | C2 (cyclohexane), (neomenthol) | ||
| 67.57 | C1 (CHOH), (neomenthol) | ||
| 76.5-77.5 | CDCl3 | ||