Table 1 ¹H and ¹³C NMR data for (3β)-hopan-3-ol-28,22-olide (1) in CDCl₃

1a

39.1, CH₂

1.62, m

1b

1.72, m

2

27.6, CH₂

1.61, m

3

79.1, CH

3.19, dd (11.4, 4.8)

4

41.0, C

–

5

55.6, CH

0.69, m

6

18.5, CH₂

1.56, m

7

34.2, CH₂

1.39, m

8

41.8, C

–

9

50.9, CH

1.38, m

10

37.4, C

–

11

20.6, CH₂

1.51, m

12

27.0, CH₂

1.62, m

13

37.1, CH

1.79, m

14

41.8, C

–

15a

33.8, CH₂

1.82, m

15b

1.59, m

16a

26.5, CH₂

2.00, m

16b

1.61, m

17

48.3, CH

1.62, m

18

48.7, C

–

19a

29.1, CH₂

2.41, dt (13.3, 3.5)

19b

1.25–1.30, m

20

29.1, CH₂

1.25, m

21

42.6, CH

2.13, t (4.4)

22

83.4, C

–

23

28.2, CH₃

0.96, s

24

15.9, CH₃

0.76, s

25

16.4, CH₃

0.83, s

26

15.5, CH₃

0.93, s

27

14.2, CH₃

0.94, s

28

175.9, C

–

29

30.3, CH₃

1.46, s

30

30.4, CH₃

1.32, s