Table 3.

NMR Spectroscopic Data^a for Compounds 7–9 (600 MHz for ¹H, 150 MHz for ¹³C, CDCl_3, δ ppm).

No.	7		8		9
	δ H	δ C	δ H	δ C	δ H	δ C
1	3.91 t (5.4)	83.8 d	3.60 t (7.2)	78.0 d	3.55 t (5.4)	78.2 d
2	2.15 m	25.6 t	α 2.12 m β 2.35 m	26.6 t	2.12 m 2.35 m	26.7 t
3	1.40 m 1.70 m	31.5 t	1.70 m	31.6 t	1.49 m	32.1 t
4	—	38.5 s	—	38.4 s	—	38.4 s
5	1.86 brs	45.9 d	1.75 m	38.4 d	2.02 m	38.6 d
6	5.54 s	77.9 d	1.45 m 2.12 m	32.6 t	1.45 m 2.15 m	32.7 t
7	—	92.7 s	—	90.6 s	—	90.3 s
8	—	87.0 s	—	79.9 s	—	80.2 s
9	3.49 s	58.5 d	2.45 d (4.8)	53.2 d	2.31 m	54.0 d
10	—	79.8 s	—	82.7 s	—	83.4 s
11	—	55.0 s	—	56.3 s	—	56.5 s
12	1.69 m 2.38 dd (6.0,16.8)	31.1 t	α 1.90 d (7.2) β 2.85 m	38.6 t	α 1.70 m β 3.01 d (15.6)	39.4 t
13	2.82 m	45.3 d	2.75 m	36.4 d	2.55 m	38.0 d
14		213.2 s	5.26 t (5.4)	74.7 d	4.12 t (4.8)	81.7 s
15	1.96 dd (7.2,15.6) 2.74 m	36.2 t	α 2.55 dd (9.6, 16.2) β 1.74 m	34.4 t	α 2.50 m β 1.89m	34.1 t
16	3.77 dd (7.2, 10.2)	76.9 d	3.20 dd (4.8, 9. 0)	81.2 d	3.17 dd (4.8, 9.0)	81.7 d
17	3.71 d (2.4)	65.3 d	2.99 brs	62.2 d	2.97 brs	61.9 d
18	3.04 d (9.6) 3.14 d (9.6)	78.1 t	3.25 m 3.40 d (11.4)	68.3 t	3.31 m 3.43 m	68.5 t
19	2.49 m 2.75 m	53.3 t	2.38 d (11.4) 2.61 d (11.4)	52.4 t	2.41 d (11.4) 2.62 d (11.4)	52.4 t
21	2.73 m 2.87 m	50.7 t	2.72 m 2.82 m	50.8 t	2.70 m 2.82 m	50.7 t
22	1.09 t (7.2)	14.1 q	1.08 t (7.2)	14.1 q	1.08 t (7.2)	14.3 q
1–OCH3	3.31 s	55.8 s	3.27 s	55.8 q	3.28 s	55.8 q
14–OCH3	—	—	—	—	3.45 s	58.0 q
16–OCH3	3.34 s	56.3 q	3.28 s	56.3 q	3.33 s	56.5 q
18–OCH3	3.24 s	59.5 q	—	—	—	—
O–CH2–O	4.95 s, 4.96 s	94.8 t	4.94 s, 5.01 s	93.8 t	4.94 s, 5.02 s	93.9 t
6–OAc		170.2 s	—	—	—	—
	2.08 s	21.7 q	—	—	—	—
14–OAc	—	—	—	172.1 s	—	—
	—	—	2.08 s	21.5 q	—	—

^aData are based on DEPT, HMQC, and HMBC experiments.