Phytochemicals from Kaempferia angustifolia Rosc. and Their Cytotoxic and Antimicrobial Activities

Table 1

¹H (400 MHz) and ¹³C-NMR (100 MHz) spectral data of compound 7 (CDCl₃).

Position	δ ^1H (ppm); (multiplicity, 𝐽 in Hz)	δ ^13C; (ppm)
1	1.35 (m), 1.45 (m)	36.1
2	1.67 (m)^a, 1.72 (m)	27.8
3	3.22 (dd, 11.9, 4.6)	78.9
4	—	39.1
5	0.87 (d, 6.4)^b	52.5
6	1.47 (dd, 12.9, 2.7), 1.68 (m)^a	21.4
7	1.30 (m)	28.1
8	2.16 (m)	41.8
9	—	148.5
10	—	39.4
11	5.22 (d, 6.4)	115.0
12	1.91 (br d, 6.4),	37.1
	2.08 (br d, 6.4)
13	—	44.3
14	—	47.0
15	1.33 (m)^c	33.9
16	1.87 (br d, 4.6)	27.9
17	1.57 (m)	50.9
18	0.64 (s)	14.4
19	1.04 (s)	22.3
20	1.80 (m)	36.0
21	0.87 (d, 6.4)^b	18.4
22	1.33 (m)^c	34.0
23	1.15 (m), 1.42 (m)	31.4
24	2.10 (m)	41.6
25	—	150.2
26	4.66 (s)	109.4
27	1.64 (s)	18.6
28	0.99 (s)	28.2
29	0.82 (s)	15.7
30	0.73 (s)	18.5
31	1.00 (d, 7.4)	20.2

a,b,cOverlapped signals.