Table 3.

¹³C NMR data for 3–8 (δ in ppm).

Pos.	3 (in CDCl3)	4 (in CDCl3)	5 (in CDCl3)	6 (in CD3OD)	7 (in CD3OD)	8 (in CD3OD)
1	68.6, C	68.7, C	209.7, C	200.1, C	171.1, C
2	39.8, CH2	39.8, CH2	35.4, CH2	44.0, CH2		153.4, CH
3	121.8, CH	122.0, CH	27.9, CH2	68.4, CH	88.5, CH
4	135.6, C	135.6, C	184.4, C	175.4, C	31.8, CH2	140.1, C
5	24.3, CH2	24.1, CH2	128.1, CH	131.5, C	25.3, CH2	136.5, CH
6	35.4, CH2	35.4, CH2	68.0, CH	66.3, CH	60.5, CH	22.4, CH2
7	46.3, CH	46.3, CH	22.2, CH3	21.8, CH3	173.6, C	33.7, CH2
8	15.6, CH3	15.7, CH3				176.2, C
9	179.5, C	179.7, C			55.0, CH
10	28.6, CH3	28.4, CH3			38.8, CH2
11					25.9, CH
12					23.4, CH3
13					22.0, CH3
14					57.4, CH3