A New Pentacyclic Triterpene from Humata tyermanni Moore with the Inhibitory Activities against LPS-Induced NO Production in RAW264.7 Macrophages

Table 1

¹H (400 MHz) and ¹³C (100 MHz) NMR spectral data for compound 2 in CDCl₃.

No	^1H-NMR	^13C-NMR	HMBC (H→C)
1	0.82 (m), 1.67 (m)	40.4	—
2	1.38 (m), 1.51 (m)	18.3	—
3	0.93 (m), 1.75 (m)	35.6	—
4	—	38.6	—
5	0.87 (dd, 𝐽=12.4, 1.6)	56.8	—
6	1.30 (m), 1.59 (m)	18.9	—
7	1.21 (m), 1.45 (m)	33.6	—
8	—	42.0	—
9	1.26 (1H, d, 𝐽=12.4)	50.1	—
10	—	37.0	—
11	1.27 (m), 1.52 (m)	21.1	—
12	1.37 (m), 1.43 (m)	24.0	—
13	1.35 (1H, d, 𝐽=2.8)	49.0	—
14	—	41.9	—
15	1.22 (m), 1.39 (m)	33.7	—
16	1.41 (m), 1.63 (m)	21.6	—
17	1.39 (m)	54.9	—
18	—	44.8	—
19	1.02 (1H, d, 𝐽=7.2),	41.9	—
	1.60 (1H, dd, 𝐽=7.2, 3.2)
20	1.82 (m), 1.85 (m)	27.4	—
21	2.6 (1H, td, 𝐽=10.4, 7.2)	46.5	—
22	—	148.8	—
23	0.96 (3H, s)	26.8	C3, C4, C5, C24
24	3.7 (1H, d, 𝐽=10.8),	65.5	C3, C4, C5, C23
	3.4 (1H, d, 𝐽=10.8)
25	0.81 (3H, s)	16.4	C1, C5, C9, C10
26	0.95 (3H, s)	16.6	C7, C8, C9, C10
27	0.95 (3H, s)	16.7	C14, C15
28	0.72 (3H, s)	16.1	C13, C17, C18, C19
29	4.77 (2H, s)	110.3	C21, C22, C30
30	1.75 (3H, s)	25.0	C21, C22, C29