Table 4: 1H NMR (CDCl3, 400 MHz), 13C NMR, and DEPT-135 (100 MHz) spectral data of compound 3.

Position1H NMR13C NMRDEPT-135[12]
1H NMR13C NMR

2160.5160.6
36.36, 1H, d (J = 9.6 Hz)114.6114.66.36, d113.0
47.77, 1H, d (J = 9.4 Hz)143.8143.87.75, d144.0
5116.5116.4
67.36, 1H, s113.2113.27.35, s114.8
7125.8126.0
8148.6148.6
9131.6132.0
10144.4143.8
2″7.69, 1H, d (J = 2.4)146.6146.77.68, d146.6
3″6.82, 1H, d (J = 2.05)106.7106.76.82, d106.7
1′5.00, 2H, d (J = 7.10)70.270.24.95, d69.9
2′5.61, 1H, t (7.35)119.8119.85.61, t119.6
3′139.7139.7
4′1.72, 3H, s25.825.81.68, s25.9
5′1.74, 3H, s18.118.11.73, s18.2