Table 1 ¹H NMR (400 MHz) and ¹³C NMR (100 MHz) spectroscopic data for compounds 1 and 2.

1

7.27, d (10.0)

155.4, CH

3.62, t (7.1)

84.1, CH

2

5.87, d (10.0)

126.2, CH

2.76, overlap; 2.78, overlap

40.0, CH₂

3

204.2, C

214.4, C

4

44.3, C

46.0, C

5

2.33, m

46.5, CH

1.78, m

41.6, CH

6

1.67, m

18.5, CH₂

1.60, m; 1.71, m

17.5, CH₂

7

1.25, m; 1.62, m

30.9, CH₂

1.78, m; 1.93, m

29.3, CH₂

8

53.5, C

57.1, C

9

109.3, C

1.96, d (6.6)

65.1, CH

10

41.6, C

45.5, C

11

2.50, d (19.0)

51.2, CH₂

3.95, d (6.6)

86.9, CH

2.65, d (19.0)

12

1.46, overlap

38.1, CH₂

1.56, d (5.2)

59.2, CH₂

2.20, d (14.9)

1.61, d (5.2)

13

1.21, s

18.9, CH₃

0.90, s

20.9, CH₃

14

1.07, s

21.2, CH₃

1.01, s

18.5, CH₃

15

1.12, s

28.3, CH₃

1.14, s

28.5, CH₃

1′

4.03, d (9.1)

67.2, CH₂

4.71, d (10.4)

70.3, CH₂

4.69, d (9.1)

5.93, d (10.4)

2′

55.8, C

59.7, C

3′

84.1, C

46.1, C

4′

200.6, C

211.2, C

5′

50.8, C

52.2, C

6′

6.87, s

145.3, CH

7.08, s

142.7, CH

7′

130.3, C

134.3, C

8′

164.6, C

166.9, C

9′

1.45, s

27.6, CH₃

1.18, s

13.6, CH₃

10′

1.29, s

22.3, CH₃

1.31, s

16.9, CH₃

OCH₃-8′

3.73, s

52.0, CH₃