Table 1 1H- and 13C-NMR chemical shifts (δ, ppm) of cinnamodial (1) [7] and iso-mukaadial acetate (2)
Position | δc (ppm) (multiplicity) | δH (ppm) | δc (ppm) (multiplicity) | δH (ppm) |
|---|---|---|---|---|
Cinnamodial (1) | Iso-mukaadial acetate (2) | |||
1 | 31.9 (CH2) | 1.77–1.39 (6H, m) | 31.81 (CH2) | 1.85–1.30 (6H, m) |
2 | 19.9 (CH2) | 19.93 (CH2) | ||
3 | 44.2 (CH2) | 44.02 (CH2) | ||
4 | 34.0 (C) | – | 34.0 (C) | – |
5 | 45.2 (CH) | 2.05 (1H, d, J = 4.6 Hz) | 44.97 (CH) | 2.08 (1H, d, J = 4.8 Hz) |
6 | 66.2 (CH) | 5.87 (1H, t, J = 4.6 Hz) | 66.13 (CH) | 5.91 (1H, t, J = 4.8 Hz) |
7 | 148.5 (CH) | 7.04 (1H, d, J = 4.6 Hz) | 148.60 (CH) | 7.01 (1H, d, J = 4.8 Hz) |
8 | 141.3 (C) | – | 141.0 (C) | – |
9 | 77.5 (C) | – | 77.2 (C) | – |
9-OH | – | 4.01 (1H, br s) | 4.07 (1H, br s) | |
10 | 41.7 (C) | 41.66 (C) | ||
11 | 201.0 (CH) | 9.75 (1H, s) | 201.44 (CH) | 9.76 (1H, s) |
12 | 192.9 (CH) | 9.47 (1H, s) | 193.01 (CH) | 9.48 (1H, s) |
13 | 32.6 (CH3) | 1.02 (3H, s) | 32.02 (CH3) | 1.03 (3H, s) |
14 | 21.3 (CH3) | 1.16 (3H, s) | 21.4 (CH3) | 1.17 (3H, s) |
15 | 17.7 (CH3) | 1.34 (3H, s) | 17.68 (CH3) | 1.34 (3H, s) |
OCOCH3 | 170.0 (C) | 170.01 (C) | ||
OCOCH3 | 24.70 (CH3) | 2.14 (3H, s) | 24.75 (CH3) | 2.17 (3H, s) |