Research Article

Role of Episamarcandin in Promoting the Apoptosis of Human Colon Cancer HCT116 Cells through the PI3K-Akt Signaling Pathway

Table 4

The 1H-NMR and13CNMR parameters of episamarcandin.

H1NMR13CNMR

11.44 (1H, m, H-1′a)161.4 (C-2)
22.08 (1H, m, H-1′b)113.8 (C-3)
31.87 (1H, m, H-2′a)144.4 (C-4)
41.80 (1H, m, H-2′b)129.9 (C-5)
53.56 (1H, dd, J = 11.2, 4.0 Hz, H-3′)113.6 (C-6)
61.16 (1H, brd, J = 12.0 Hz, H-5′)163.4 (C-7)
71.95 (1H, m, H-6′a)102.4 (C-8)
81.74 (1H, d, J = 12.0 Hz, H-6′b)157.0 (C-9)
91.78 (1H, ov., H-7′a)113.3 (C-10)
102.03 (1H, m, H-7′b)38.8 (C-1′)
111.59 (1H, d, J = 4.5 Hz, H-9′)28.5 (C-2′)
124.08 (1H, dd, J = 14.4, 7.2 Hz, H-11′a)78.6 (C-3′)
134.33 (1H, d, J = 9.6 Hz, H-11′b)40.1 (C-4′)
141.49 (3H, s, H-12′)55.7 (C-5′)
151.37 (3H, s, H-13′)19.3 (C-6′)
161.16 (3H, s, H-14′)43.8 (C-7′)
171.32 (3H, s, H-15′)71.6 (C-8′)
186.34 (1H, d, J = 9.6 hz, H-3)59.3 (C-9′)
197.69 (1H, d, J = 9.6 hz, H-4)38.7 (C-10′)
207.45 (1H, d, J = 8.8 hz, H-5)68.0 (C-11′)
217.05 (1H, d, J = 8.8 hz, H-6)32.0 (C-12′)
227.12 (1H, brs, H-8)29.6 (C-13′)
2317.1 (C-14′)
2417.2 (C-15′)