Table 2. ¹³ C NMR data of compounds 1–6 in CDCl₃.

No.	1a	2b	3b	4b	5b	6b
1	174.9 qC	175.7 qC	175.1 qC	175.0 qC	175.6 qC	166.8 qC
2	37.6 CH2	38.8 CH2	38.8 CH2	38.8 CH2	38.9 CH2	84.0 CH
3	72.4 CH	74.4 CH	74.6 CH	74.6 CH	74.5 CH	171.4 qC
4	93.3 qC	92.8 qC	92.3 qC	92.2 qC	92.7 qC	140.3 qC
5	120.1 CH	123.4 CH	124.0 CH	123.5 CH	124.0 CH	139.4 CH
6	148.6 qC	147.3 qC	147.3 qC	147.7 qC	147.0 qC	97.4 qC
7	44.9 CH2	37.5 CH2	41.4 CH2	35.1 CH2	44.7 CH2	43.6 CH2
8	30.8 CH	30.6 CH	32.6 CH	37.0 CH	30.9 CH	139.0 qC
9	36.5 CH2	37.1 CH2	36.8 CH2	33.1 CH2	36.8 CH2	132.9 CH
10	29.2CH2	29.2 CH2	28.8 CH2	29.2 CH2	29.3 CH2	69.6 CH
11	22.9 CH2	22.9 CH2	23.1 CH2	23.1 CH2	23.0 CH2	30.4 CH2
12	14.0 CH3	14.1 CH3	14.1 CH3	14.1 CH3	14.1 CH3	9.7 CH3
13	31.8 CH2	27.4 CH2	27.2 CH2	27.4 CH2	27.1 CH2	18.5 CH2
14	8.1 CH3	8.3 CH3	8.4 CH3	8.4 CH3	8.4 CH3	12.1 CH3
15	23.9 CH2	29.8 CH2	23.4 CH2	30.0 CH2	23.5 CH2	30.9 CH2
16	12.9 CH3	13.0 CH3	12.8 CH3	13.1 CH3	12.8 CH3	8.1 CH3
17	19.6 CH3	19.1 CH3	25.5 CH2	26.1 CH2	19.5 CH3	24.5 CH2
18			10.6 CH3	11.6 CH3		13.6 CH3
19						50.6 CH3

^aRecorded at 150 MHz.

^bRecorded at 125 MHz.