Table 2.

¹³C NMR Data of 2–6 (100 MHz, CDCl₃, δ ppm)^a,^b

number	2	3	4	5	6
1	22.6, CH2	20.8, CH2	30.9, CH2	24.2, CH2	32.3, CH2
2	25.3, CH2	23.1, CH2	23.2, CH2	15.7, CH2	17.2, CH2
3	32.3, CH2	31.9, CH2	32.7, CH2	29.1, CH2	42.0, CH2
4	152.8, C	17.7, C	154.2, C	20.4, C	33.2, C
5	40.2, C	26.3, C	46.6, C	28.2, C	49.5, CH
6	31.1, CH2	27.8, CH2	36.4, CH2	23.0, CH2	17.8, CH2
7	26.4, CH2	27.9, CH2	27.6, CH2	28.2, CH2	29.8, CH2
8	38.9, CH	37.8, CH	39.3, CH	41.4, CH	41.0, CH
9	42.3, C	43.2, C	39.0, C	37.7, C	99.6, C
10	46.7, CH	40.0, CH	88.5, C	87.6, C	43.5, C
11	105.8, CH2	22.5, CH3	110.1, CH2	22.5, CH3	33.7, CH3
12	31.2, CH3	24.9, CH2	20.4, CH3	26.2, CH2	21.6, CH3
13	15.9, CH3	15.1, CH3	16.0, CH3	17.6, CH3	17.1, CH3
14	24.7, CH3	20.7, CH3	26.0, CH3	27.7, CH3	17.1, CH3
15	29.7, CH2	29.2, CH2	27.6, CH2	30.7, CH2	39.6, CH2
16	118.7, C	118.7, C	114.7, C	118.6, C	120.4, C
17	152.8, C	152.9, C	154.2, C	154.4, C	116.0, CH
18	182.6, C	182.5, C	181.7, C	181.6, C	104.6, C
19	102.1, CH	102.0, CH	104.8, CH	105.0, CH	150.4, C
20	161.3, C	161.7, C	159.5, C	159.5, C	128.1, C
21	182.6, C	182.6, C	181.1, C	181.1, C	151.9, C
22					171.0, C
23					52.1, CH3
CH3O-20	56.8, CH3	56.9, CH3	56.5, CH3	56.5, CH3

^aCarbon type based on HSQC.

^bAll spectra recordeed in CDCl₃.