Table 1 ¹H NMR data for caryophyllene oxide (1), dihydronitidine (2), sesamin (3) and pellitorine (4) δ values are in ppm, J values in Hz. CDCl₃ was used as solvent

4.97 (1H, d, J 1.3)

7.68 (1H, d, J 8.6)

6.78–6.85 (6H, m)

7.18 (1H, dd, J 10.0, 15.0)

4.86 (1H, d, J 1.3)

7.66 (1H, s)

5.95 (4H, s)

6.10 (1H, m)

2.87 (1H, dd, J 10.7, 4.1)

7.48 (1H, d, J 8.6)

4.72 (2H, d, J 4.4)

6.09 (1H, m)

2.61 (1H, m)

7.31 (1H, s)

4.24 (2H, m)

5.84 (1H, d, J 15.1)

0.85–2.40 (several m)

7.11 (1H, s)

3.88 (2H, dd, J 3.6, 9.3)

3.15 (2H, t, J 6.4)

1.20 (3H, s)

6.79 (1H, s)

3.05 (2H, m)

2.14 (2H, q, J 6.8)

1.01 (3H, s)

6.04 (2H, s)

1.79 (1H, m)

0.99 (3H, s)

4.13 (2H, s)

1.26–1.44 (6H, m)

3.99 (3H, s)

0.91 (6H, d, J 6.7)

3.95 (3H, s)

0.89 (3H, t, J 7.0)

2.60 (3H, s)