Table 2 ¹H (800 MHz) and ¹³C NMR (200 MHz) spectroscopic data for compound 5 in CDCl₃ (δ in ppm, J in Hz).

1

69.1, C

2

194.3, C

3

111.1, C

4

198.7, C

5

59.3, C

6a

41.4, CH₂

2.25, br d (14.2)

6b

1.91, dd (14.2, 7.2)

7

39.8, CH

1.70, m

8

51.1, C

9

211.5, C

10a

26.3, CH₂

2.55, dd (13.7, 8.7)

10b

2.50, br d (13.7)

11

120.8, CH

5.04, m

12

133.4, C

13

26.1, CH₃

1.75, s

14

18.0, CH₃

1.54, s

15

171.7, C

16

137.6, C

17

126.7, CH

7.25, d (7.5)

18

128.5, CH

7.39, t (7.5)

19

130.3, CH

7.46, t (7.5)

20

128.5, CH

7.39, t (7.5)

21

126.7, CH

7.25, d (7.5)

22

18.4, CH₃

1.34, s

23a

28.5, CH₂

2.18, m

23b

1.98, m

24

124.9, CH

4.90, t (7.0)

25

132.3, C

26

25.9, CH₃

1.68, s

27

17.8, CH₃

1.51, s

28a

35.9, CH₂

1.36, m

28b

1.19, m

29a

22.4, CH₂

1.83, m

29b

1.80, m

30

124.0, CH

5.02, t (7.3)

31

131.7, C

32

25.7, CH₃

1.65, s

33

17.6, CH₃

1.55, s

34

19.1, CH₃

1.13, s

-NH₂

12.08, br s

6.09, br s