Compound 1

Compound 2

Positions

δ_C

δ_H (mult; J)

δ_C

δ_H (mult; J)

Aglycon

1

38.5

1.48 (1H, m), 0.90 (1H, m)

38.3

1.62 (1H, m), 0.97 (1H, m)

2

27.4

0.97 (1H, m), 1.63 (1H, m)

25.5

1.83 (1H, m), 1.71 (1H, m)

3

89.0

3.01 (1H, m)

90.4

3.14 (dd; 11.6; 4.5)

4

37.7

-

38.9

-

5

55.4

0.70 (1H, m)

55.6

0.79 (1H, m)

6

18.2

1.29 (1H, m), 1.46 (1H, m)

17.9

1.62 (1H, m), 1.42 (1H, m)

7

32.6

1.42 (2H, m)

32.6

1.54 (1H, m), 1.34 (1H, m)

8

39.3

-

39.2

-

9

47.5

1.49 (1H, m)

47.5

1.59 (1H, m)

10

37.0

-

36.5

-

11

23.1

1.79 (2H, m)

23.1

1.91 (1H, m)

12

122.1

5.16 (1H, t, 4.2)

122.3

5.26 (1H, t, 4.2)

13

144.0

-

143.8

-

14

41.6

-

41.9

-

15

27.7

1.09 (1H, m), 1.66 (1H, m)

27.4

1.79 (1H, m), 1.09 (1H, m)

16

23.4

1.42 (1H, m), 1.79 (1H, m)

22.7

2.03 (1H, m), 1.61 (1H, m)

17

46.6

-

46.2

-

18

41.3

2.74 (1H, dd, 13.7, 4.0)

41.3

2.87 (dd, 13.7, 3.9)

19

45.8

1.59 (1H, m), 1.03 (1H, m)

45.9

1.71 (1H, m), 1.13 (1H, m)

20

30.6

-

30.2

-

21

33.8

1.12 (1H, m), 1.31 (1H, m)

33.5

1.22 (1H, m), 1.41 (1H, m)

22

32.3

1.22 (1H, m), 1.41 (1H, m)

32.4

1.76 (1H, m), 1.56 (1H, m)

23

28.1

0.75 (3H, s)

27.0

1.12 (3H, s)

24

15.6

0.97 (3H, s)

15.4

0.87 (3H, s)

25

15.3

0.85 (3H, s)

14.5

0.97 (3H, s)

26

16.8

0.68 (3H, s)

16.2

0.83 (3H, s)

27

26.0

1.08 (3H, s)

25.0

1.18 (3H, s)

28

179.2

-

180.4

-

29

33.1

0.88 (3H, s)

32.2

0.93 (3H, s)

30

23.6

0.87 (3H, s)

22.6

0.96 (3H, s)