Table 2.

NMR Spectroscopic Data of 1 and 2 in (DMSO-d₆) (δ in ppm and J in Hz)^a,b.

Pos	1		2
1	56.8, CH	2.60, m	47.0, CH2	3.04, dt (8.4, 7.2) 2.97, dt (8.4, 8.4)
2	44.2, CH2	1.67, dd (13.2, 3.6) 1.46, t (13.2)	20.8, CH2	1.87, m
3	69.7, qC		38.8, CH2	1.63, m 1.66, m
4	56.0, CH	1.52, d (3.0)	62.1, qC
5	67.8, CH	3.22, d (3.0)	47.9, CH2	2.35, br d (15.6) 2.20, br d (15.6)
6	84.2, qC		210.9, qC
7	40.6, CH	1.85, m	36.2, CH2	2.33, dd (15.6, 6.0) 1.88, m
8	37.1, CH2	1.77, ddd (12.0, 4.8, 2.4) 1.17, dt (12.0, 12.0)	58.6, CH	3.33, overlapped
9	59.3, CH	2.45, m	52.3, CH	2.77, dd (4.2, 12.0)
10	29.1, CH2	1.85, m 1.36, m	27.0, CH	1.89, m
11	28.9, CH2	1.90, m 1.33, m	44.4, CH2	1.81, dd (4.8, 12.0) 1.26, t (12.0)
12	29.2, CH3	1.13, s	20.7, CH3	0.67, d (6.6)
13	15.5, CH3	0.61, d (6.6)
14	104.6, qC
15	27.8, CH3	1.45, s
1'	145.8, qC		142.1, qC
2′/6′	128.2, CH	7.34, br t (7.8)	129.0, CH	7.12, br d (7.8)
3′/5′	126.9, CH	7.43, m	128.9, CH	7.33, m
4′	126.6, CH	7.22, br t (7.8)	126.7, CH	7.22, m
3-OH		4.29, s
14-OH		5.68, s

^aAssignments were based on HSQC, HMBC and ¹H-¹H COSY experiments.

^bNMR spectroscopic data were recorded at 600 MHz (¹H NMR), 150 MHz (¹³C NMR).