Table 1.

1D and 2D NMR Data for Compound 1 in CDCl₃.

	δH	δC	g1H_1HCOSY	gHSQC
1	3.20 m	82.5	H-2α, H-2β	+
2α	1.97 m	32.6	H-1, H-2β, H-3	+
2β	2.38 m		H-1, H-2α, H-3	+
3	3.88 d J = 4.9 Hz	71.0	H-2α, H-2β	+
4	-	43.6	-	-
5	2.23 d J = 6.4 Hz	46.5	H-6, H-7, H-17	+
6	3.95 d J = 6.6 Hz	83.7	H-5, H-7, H-17	+
7	2.79 m	42.3	H-6	+
8	-	77.5	-	-
9	2.84 m	38.0	H-10, H-14	+
10	2.33 m	44.2	H-9, H-12α, H-12β	+
11	-	51.2	-	-
12α	1.92 m	31.8	H-10, H-12β, H-13	+
12β	2.91 dd J = 15.3 Hz J = 6.9 Hz		H-10, H-12α	+
13	2.67 m	49.4	H-12α	+
14	5.44 d J = 5.0 Hz	78.3	H-9	+
15	3.86 s	85.8	-	+
16	-	211.8	-	-
17	3.15 s	62.1	H-5, H-6	+
18α	3.59 d J = 8.7 Hz	76.3	H-18β	+
18β	3.70 d J = 8.7 Hz		H-18α	+
19α	2.65 d J = 11.9 Hz	49.3	H-19β	+
19β	3.25 d J = 11.9 Hz		H-19α	+
CH3O-1	3.28 s	55.9	-	+
CH3O-6	3.29 s	58.3	-	+
CH3O-15	3.82 s	62.4	-	+
CH3O-18	3.30 s	59.2	-	+
N-CH2 1ʹα	2.72 m	48.5	H-2ʹ	+
1ʹβ	2.74 m		H-1α, H-2ʹ	+
-CH3 2ʹ	1.14 t J = 7.0 Hz	12.2	H-1ʹα, H-1ʹβ	+
Bz
1ʺ	-	166.0	-	-
2ʺ	-	129.1	-	-
3ʺ	7.96 d J = 7.6 Hz	129.7	H-4ʺ	+
4ʺ	7.47 t J = 7.5 Hz	128.7	H-3ʺ, H-5ʺ	+
5ʺ	7.61 t J = 7.1 Hz	133.8	H-4ʺ	+