Table 3.

¹H and ¹³C NMR Data for Compounds 13 - 15 in CD₃OD at 600 and 150 MHz, respectively.

cmpd.	13		14		15a
pos#	δC, typeb	δH (J[Hz])	δC, typeb	δH (J[Hz])	δ C, typeb	δH (J[Hz])
1	172.5, C		169.5, C		167.7, C
2	41.9, CH2	2.73, dd (15.2, 4.2)	101.8, CH	5.22, s	46.8, CH2	3.90, d (14.8)
		2.67, dd (15.2, 8.0)				3.78, d (14.8)
3	50.7, CH	5.21, dd (8.0, 4.2)	155.1, C		191.6, C
4	171.2, C		170.6, C		172.1, C
5	57.0, CH	5.71, dd (9.8, 6.4)	57.9, CH	6.07, dd (11.4, 4.8)	56.4, CH	5.74, dd (11.2, 4.8)
6	175.2, C		175.6, C		174.2, C
7	47.2, CH	4.68, m	47.3, CH	4.77, m	45.7, CH	4.40, q (6.6)
8	177.9, C		177.8, C		177.3, C
9	40.4, CH	2.65, m	38.7, CH	2.71, dqd (11.8, 7.2, 1.2)	39.7, CH	2.33, m
10	42.6, CH2	2.21, dd (15.2, 11.4)	41.3, CH2	2.35, dd (17.0, 11.8)	43.5, CH2	2.19, dd (13.8, 9.2)
		1.93, d (15.2)		1.85, d (17.0)		1.82, dd (13.8, 4.8)
11	134.1, C		134.7, C		131.4, C
12	130.4, CH	4.83c	127.7, CH	4.80c	132.5, CH	4.74, d (8.8)
13	30.6, CH	2.30, m	30.7, CH	2.41, m	28.9, CH	2.03, m
14	44.2, CH2	1.50, m	44.8, CH2	1.55, ddd (12.2, 12.0, 4.0)	43.2, CH2	1.39, ddd (13.8, 9.0, 6.6)
		1.18, m		1.33, ddd (12.0, 10.8, 3.6)		1.20, ddd (13.8, 7.8, 4.2)
15	71.8, CH	4.68, m	70.7, CH	4.81, m	71.3, CH	4.85, dqd (9.0, 6.2, 4.2)
16	133.6, C		127.8, C		129.3, C
17	118.5, CH	6.49, dd (8.2, 2.0)	121.1, CH	6.86, dd (8.2, 2.0)	123.4, CH	7.41, d (8.2, 1.2)
17′	114.5, CH	6.70, d (2.0)	116.0, CH	6.91, d (2.0)	115.0, C
18	116.5, CH	6.67, d (8.2)	116.0, CH	6.79, d (8.2)	115.3, CH	7.52, d (1.2)
18′	146.5, C		146.1, C		144.5, C
19	145.8, C		149.0, C		150.4, CH	6.84, d (8.2)
20	25.1, CH2	3.22, m	24.0, CH2	3.26, dd (15.4, 4.8)	23.5, CH2	3.48, dd (15.4, 4.8)
				3.18, dd (15.4, 11.6)		3.17, dd (15.4, 11.2)
21	110.3, C		110.3, C		110.8, C
22	128.7, C		128.9, C		127.6, C
23	119.3, CH	7.54, d (8.0)	119.2, CH	7.55, dt (8.0, 0.6)	118.3, CH	7.53, d (8.0)
24	120.6, CH	7.00, td (8.0, 1.0)	120.6, CH	7.03, td (8.0, 0.8)	120.5, CH	7.09, td (8.0, 0.8)
25	123.0, CH	7.07, td (8.0, 1.0)	123.0, CH	7.09, td (8.0, 0.8)	122.7, CH	7.14, td (8.0, 0.8)
26	111.8, CH	7.25, d (8.0)	111.7, CH	7.25, dt (8.0, 0.6)	110.7, CH	7.25c
27	138.1, C		138.1, C		136.2, C
28	110.6, C		110.5, C		109.1, C
29	18.1, CH3	0.66, d (6.6)	17.9, CH3	0.49, d (6.6)	16.2, CH3	0.72, d (6.6)
30	20.2, CH3	1.08, d (6.8)	21.3, CH3	1.06, d (7.2)	18.4, CH3	1.04, d (6.8)
31	18.5, CH3	1.59, d (0.8)	18.9, CH3	1.62, s	16.2, CH3	1.29, s
32	22.2, CH3	0.85, d (6.6)	22.7, CH3	0.87, d (6.6)	20.5, CH3	0.72, d (6.6)
33	19.7, CH3	1.07, d (6.2)	19.3, CH3	1.14, d (6.2)	20.6, CH3	1.15, d (6.2)
34	31.8, CH3	3.08, s	32.1, CH3	2.98, s	32.1, CH3	3.10, s

^aSpectra recorded in CDCl₃

^bCarbon type determined from gHMQC data

^cShift assigned based on gHMQC and gHMBC data