Table 1.

NMR Data of Compound 1^a

Position	1Hb	13Cc
1	1.67 br d (6.4)	17.6
2	5.61 dq (15.1, 6.4)	126.8
3	5.45 m	134.7
4	3.98 dd (13.0, 6.0)	73.4
5	2.18 m; 2.32 m	41.7
6	5.45 m	128.7
7	5.45 m	132.1
8	1.85 m; 2.20 m	37.4
9	1.55 m	39.8
10	0.90 d (6.8)	14.2
11	3.92 dd (10.9, 4.2)	72.3
12	2.18 m	37.4
13	-	173.2
14	3.22 m; 3.38 dd (13.5, 3.4)	44.1
15	3.71 m	73.1
16	2.38 m	45.2
17	1.13 d (7.0)	14.8
18	-	177.3
19	3.20 m	40.2
20	1.50 m; 1.85 m	26.6
21	1.32 m; 1.72 m	31.3
22	3.18 m	75.6
23	1.25 m	35.9
24	0.83 d (6.5)	18.1
25	1.48 m; 1.55 m	28.9
26	1.45 m; 1.58 m	36.8
27	-	96.7
28	1.32 m; 1.52 m	36.2
29	1.52 m; 1.83 m	19.8
30	1.18 m; 1.52 m	32.2
31	3.54 m	70.0
32	1.36 m	35.0
33	1.52 m; 1.58 m	34.7
34	2.62 m	34.7
35	1.06 d (6.6)	20.2
36	6.53 d (10.3)	151.4
37	-	137.1
38	1.75 s	11.4
39	-	202.5
40	2.31 s	25.3

^aIn CD₃OD.

^bδ(ppm) 600 MHz; multiplicities; J values (Hz) in parentheses.

^cδ (ppm); shifts inferred from HMBC and g-HSQC spectra.