Table 2.

¹³C NMR (150 MHz) data of compounds 1–5 (CDCl₃).

Carbon	1	2	3	4	5
1	38.6	71.8	71.1	77.2	70.6
2	35.1	30.3	25.1	24.5	29.1
3	217.0	73.6	73.1	72.4	72.2
4	47.7	42.5	43.9	43.9	42.4
5	52.5	40.2	38.7	38.7	39.0
6	24.5	72.9	73.7	73.9	72.5
7	118.2	74.7	74.1	74.0	74.6
8	145.7	44.5	39.7	39.8	45.4
9	48.0	36.6	34.3	34.8	36.4
10	35.2	40.3	45.2	45.2	41.2
11	17.9	34.1	30.5	30.4	30.5
12	31.6	213.8	77.9	71.2	97.8
13	43.6	61.5	52.5	51.7	140.3
14	50.9	154.1	156.1	157.1	146.1
15	34.4	123.8	122.5	122.2	77.9
16	27.6	34.2	35.5	35.8	35.8
17	48.5	42.9	51.2	48.9	49.3
18	23.3	19.4	15.5	15.1	16.5
19	12.8	15.6	16.1	15.5	16.7
20	47.1	124.6	169.1	137.5	_ a
21	101.8	142.4	99.1	171.4	98.7
22	33.6	112.6	120.4	146.5	118.7
23	76.7	141.0	170.9	96.5	170.8
24	86.5
25	71.1
26	25.9
27	25.7
28	24.6	78.1	78.4	78.4	78.1
29	21.7	18.8	20.2	20.2	19.0
30	27.4	25.8	26.7	26.9	20.7
12-OCH3					55.2
1-OAC				170.8
				21.2
3-OAC		169.2			170.7
		20.9			21.3
12-OAC			170.9
			21.5
1’		165.1	165.4	165.4	166.7
2’		130.5	117.0	117.2	128.6
3’		129.6	146.8	144.8	137.5
4’		128.6	133.8	134.1	14.6
5’		133.2	128.4	128.5	12.2
6’		128.6	129.2	129.2
7’		129.6	131.	130.9
8’			129.2	129.2
9’			128.4	128.5

^a Signal not clearly observable from 1D and 2D NMR.