Table 2.

13C NMR (100 MHz) data for compounds 1–6 in CDCl₃ (δ in ppm).

Pos.	1	2	3	4	5	6
1	175.8, C	174.9, C	175.4, C	175.6, C	175.8, C	174.8, C
3	50.7, CH	50.7, CH	50.7, CH	50.6, CH	50.8, CH	50.6, CH
4	52.5, CH	52.9, CH	51.6, CH	51.3, CH	52.6, CH	50.6, CH
5	35.2, CH	35.3, CH	35.1, CH	35.2, CH	35.5, CH	35.2, CH
6	139.7, C	139.8, C	139.8, C	139.8, C	139.7, C	140.2, C
7	125.6, CH	125.5, CH	125.6, CH	125.7, CH	125.6, CH	125.4, CH
8	43.2, CH	43.9, CH	43.3, CH	43.6, CH	44.1, CH	44.0, CH
9	66.9, C	65.1, C	66.4, C	67.6, C	67.1, C	67.5, C
10	48.6, CH2	48.1, CH2	48.5, CH2	48.5, CH2	48.7, CH2	48.5, CH2
11	13.3, CH3	13.3, CH3	13.4, CH3	13.4, CH3	13.4, CH3	13.4, CH3
12	19.8, CH3	19.8, CH3	19.8, CH3	19.8, CH3	19.8, CH3	19.8, CH3
13	124.8, CH	124.6, CH	123.8, CH	124.6, CH	124.6, CH	124.8, CH
14	136.7, C	137.2, C	137.4, C	135.2, C	134.9, C	135.2, C
15	44.3, CH2	44.1, CH2	43.9, CH2	43.4, CH2	43.7, CH2	43.9, CH2
16	35.1, CH	35.2, CH	33.8, CH	33.0, CH	33.9, CH	33.5, CH
17	42.1, CH2	43.2, CH2	38.1, CH2	35.1, CH2	32.6, CH2	33.7, CH2
18	207.8, C	204.3, C	210.2, C	68.8, CH	72.2, CH	71.3, CH
19	38.0, CH2	78.1, CH	74.2, CH	29.2, CH2	78.8, CH	70.3, CH
20	37.4, CH2	42.5, CH2	45.6, CH2	35.4, CH2	42.9, CH2	43.5, CH2
21	208.1, C	203.3, C	206.8, C	211.5, C	211.2, C	212.1, C
22	25.0, CH	25.0, CH	25.0, CH	24.9, CH	24.9, CH	25.0, CH
23/24	21.4/23.6, CH3	21.5/23.6, CH3	21.5/23.5, CH3	21.5/23.5, CH3	21.5/23.6, CH3	21.4/23.5, CH3
25	15.3, CH3	15.3, CH3	15.6, CH3	16.1, CH3	16.2, CH3	16.1, CH3
26	67.4, CH2	67.3, CH2	67.3, CH2	68.3, CH2	69.1, CH2	68.7, CH2
27	—	56.9, CH3	—	—	58.1, CH3	—