Table 3.

NMR Spectroscopic Data (¹H 600 MHz, ¹³C 150 MHz) for Compounds 5 and 6 Recorded in DMSO-d₆

	5		6
position	δC, type	δH (J in Hz)	δC, type	δH (J in Hz)
1	201.9, C		203.4, C
2	34.2, CH2	Hα: 2.66, dt (3.6, 18.6)	35.1, CH2	2.69, m
		Hβ: 2.98, m
3	31.9, CH2	Hα: 2.26, td (4.2, 13.2)	31.5, CH2	Hα: 1.91, m
		Hβ: 2.32, dt (4.2, 13.2)		Hβ: 2.15, m
4	80.5, C		66.3, CH	4.69, dd (3.6, 9.0)
4a	145.8, C		149.6, C
5	99.0, CH	6.62, s	101.1, CH	6.77, s
6	163.3, C		163.2, C
7	117.9, C		118.0, C
8	160.7, C		160.8, C
8a	109.5, C		109.5, C
9	15.1, CH2	2.56, q (7.2)	60.3, CH	5.16, q (6.6)
10	13.1, CH3	1.01, t (7.2)	22.2, CH3	1.41, d (6.6)
11	41.0, CH2	Hα: 2.01, dd (10.2, 13.2)
		Hβ: 3.08, dd (8.4, 13.2)
12	67.1, CH	4.77, t (9.0, 9.6)
13	176.3, C
6- OCH3	56.0, CH3	3.91, s	55.9, CH3	3.88, s
4-OH				5.64, br s
8-OH		13.07, br s		13.18, s
9-OH				a
12-OH		6.12, br s

^aNot observed.