Table 3.

¹³C NMR data (125 MHz, δ in ppm) of 1–5.

Position	1 a	2 b	3 b	4 b	5 b
	δC, Type	δC, Type	δC, Type	δC, Type	δC, Type
1	39.8, CH2	36.7, CH2	38.9, CH2	66.8, CH
2	47.0, CH	35.8, CH	36.7 CH	38.4, CH2	66.7, CH2
3	49.2, C	38.3, C	38.2, C	25.4, CH	23.7, CH2
4	26.6, CH2	30.0, CH2	30.4, CH2	138.2, CH	145.3, C
5	30.7, CH2	25.7, CH2	24.7, CH2	129.6, C	126.1, CH
6	37.2, CH	45.4, CH	46.6, CH	134.9, CH	163.6, C
7	133.9, C	132.0, C	139.5, C	124.9, CH	165.0, C
8	143.3, CH	145.1, CH	125.5, CH	85.9, C	53.1, CH3
9	40.8, CH	40.2, CH	38.8, CH	50.9, C
10	44.5, CH2	42.2, CH2	44.3, CH2	40.8, CH
11	39.0, C	42.9, C	48.3, C	198.8, C
12	26.5, CH3	26.2, CH3	27.5, CH3	104.6, CH
13	170.3, C	171.2, C	65.5, CH2	161.0, CH
14	182.4, C	72.1, CH2	184.7, C	19.2, CH3
15	27.8, CH3	26.8, C	26.3, CH3	13.5, CH3
16				21.2, CH3

^a Taken in CD₃OD, ^b Taken in CDCl₃.