Table 2.

NMR Spectroscopic Data for Clathrimides A (2) and B (3)^a

	2		3
Position	δC, mult	δH(J in Hz)	δC, mult	δH(J in Hz)
1	175.9, C		175.9, C
2a	33.2, CH2	2.39, d (14.6)	33.2, CH2	2.39, d (14.5)
2b		2.29, d (14.6)		2.25, d (14.5)
3	53.9, CH	2.37, bd (3.6)	53.9, CH	2.39, bd (4.0)
4	150.6, C		150.5, C
5a	39.8, CH2	2.30, m	39.8, CH2	2.30, m
5b		2.03, m		2.05, m
6a	26.2, CH2	1.55, m	25.2, CH2	1.65, m
6b		1.32, m		1.35, m
7	54.8, CH	1.35, dd (11.2, 3.2)	54.8, CH	1.36, m
8	38.8, C		38.8, C
9a	39.8, CH2	1.65, bd (12.4)	40.8, CH2	1.68, dt (13.1, 3.5)
9b		1.19, bd (12.4)		1.21, td (13.0, 3.3)
10a	20.1, CH2	1.58, m	20.1, CH2	1.69, bd (10.5, 3.3)
10b		1.52, m		1.53, bd (10.5, 3.5)
11a	41.9, CH2	1.30, m	42.6, CH2	1.51, dd (12.8, 3.5)
11b		1.29, m		1.32, dd (12.8, 3.5)
12	41.1, C		40.9, C
13	146.5, CH	5.35, d (15.2)	148.2, CH	5.53 (d, 15.6)
14	124.4, CH	6.13, dd (15.2, 10.0)	126.9, CH	5.40 (dd, 15.6, 7.6)
15	126.9, CH	5.76, d (10.0)	81.2, CH	3.78 (d, 7.6)
16	133.2, C		73.9, C
17	26.2, CH3	1.74, s	26.2, CH3	1.11, s
18	18.8, CH3	1.71, s	18.7, CH3	1.12, s
19	18.4, CH3	1.09, s	18.7, CH3	0.91, s
20	15.7, CH3	0.77, s	15.6, CH3	0.77, s
21a	107.4, CH2	4.73, bs	107.5, CH2	4.73, bs
21b		4.55, bs		4.55, bs
1′	36.7, CH2	3.55, t (6.8)	36.7, CH2	3.55, t (6.8)
2′	51.5, CH2	2.92, t (6.8)	51.5, CH2	2.92, t (6.8)

^aIn CD₃OD, 400 MHz for ¹H and 100 MHz for ¹³C NMR.