From: Phytochemical investigations and antioxidant potential of roots of Leea macrophylla (Roxb.)
Proton | δH in ppm | |
---|---|---|
NZ-15 (CDCl3, TMS, 500 MHz) | Oleanolic acid (CDCl3, TMS, 500 MHz) | |
H-3 | 3.21 (1H, dd, J = 11.2, 4.4 Hz) | 3.23 (1H, dd, J = 11.2, 4.4 Hz) |
H-12 | 5.28 (1H, t, J = 3.2 Hz) | 5.27 (1H, t, J = 3.5 Hz) |
H-18 | 2.81 (1H, dd, J = 13.6, 4.0 Hz) | 2.82 (1H, dd, J = 13.2, 3.6 Hz) |
H-23 | 0.98 (3H, s) | 0.98 (3H, s) |
H-24 | 0.77 (3H, s) | 0.77 (3H, s) |
H-25 | 0.89 (3H, s) | 0.90 (3H, s) |
H-26 | 0.75 (3H, s) | 0.75 (3H, s) |
H-27 | 1.13 (3H, s) | 1.13 (3H, s) |
H-29 | 0.90 (3H, s) | 0.91 (3H, s) |
H-30 | 0.92 (3H, s) | 0.93 (3H, s) |