Table 5: 1H NMR (CDCl3, 400 MHz), 13C NMR, and DEPT-135 (100 MHz) spectral data of compound 4.

Position1H NMR13C NMRDEPT-135[13]
1H NMR13C NMR

2162.3162.3
3130.8130.9
47.48 (1H, s, H-4)138.1138.17.48, 1H, s138.1
57.17 (1H, s, H-5)123.3123.257.20, 1H, s123.3
6124.6124.6
7160.3160.2
86.68 (1H, s, H-8)97.197.16.71, 1H, s97.1
9154.6154.6
10113.1113.1
2′4.73 (1H, dd, J = 10, 6 Hz)90.990.94.72 (1H, t, J = 12, 6 Hz)90.9
3′3.19 (2H, dd, J = 18, 8 Hz)29.729.73.21 (2H, dd)29.6
4′71.771.7
5′1.37 (3H, s)26.026.021.37 (3H, s)26.0
6′1.27 (3H, s)24.2124.211.27 (3H, s)24.2
1″40.340.3
2″6.17 (1H, dd, J = 10.8, 6.4 Hz)145.6145.66.17, 1H, dd, J = 18, 12 Hz)145.6
3″5.10 (2H, m, H-3″)112.1112.15.09 (2H, dd)112.1
4″, 5″1.47 (6H, s, H-4″, 5″)26.226.21.47 (6H, s)26.11