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Table 2 1H (500 MHz, MeOD) and 13C (150 MHz, MeOD) data of HOP1, HOP2 and HOP3

From: Cycloartanes from Oxyanthus pallidus and derivatives with analgesic activities

Positions

HOP1

HOP2

HOP3

δC

δH (mult, J(Hz)

δC

δH (mult, J(Hz)

δC

δH (mult, J (Hz)

1

30.4

1.40 (1H, m, Hβ), 1.60 (1H, m, Hα)

29.1

1.62 (1H, m, Hβ), 1.72 (1H, m, Hα)

29.1

1.62 (1H, m, Hβ), 1.72 (1H, m, Hα)

2

29.1

1.62 (1H, m, Hα), 1.73 (1H, m, Hβ)

27.0

1.43 (1H, m, Hα), 1.62 (1H, m, Hβ)

27.0

1.43 (1H, m, Hα), 1.62 (1H, m, Hβ)

3

77.8

3.22 (dd, 4.4, 11.1)

77.8

3.23 (dd, 4.2, 10.9)

77.8

3.23 (dd, 4.2, 10.9)

4

39.8

/

39.8

/

39.8

/

5

44.3

1.42 (dd, 3.9, 13.3)

44.2

1.45 (dd, 3.9, 13.1)

44.2

1.45 (dd, 3.9, 13.1)

6

28.1

1.08 (1H, m, Hα), 2.13 (1H, m, Hβ)

28.1

1.10 (1H, m, Hα), 2.13 (1H, m, Hβ)

28.1

1.10 (1H, m, Hα), 2.13 (1H, m, Hβ)

7

80.0

3.63 (ddd (4,0, 7.63, 12.6)

80.0

3.63 (ddd (4,0, 7.1, 12.7)

80.0

3.63 (ddd (4,0, 7.1, 12.7)

8

50.2

2.09 (1H, d, 7.63)

50.0

2.11 (1H, d, 6.0)

50.0

2.11 (1H, d, 6.0)

9

20.1

/

20.2

/

20.2

/

10

26.4

/

26.4

/

26.4

/

11

26.5

1.33 (1H, m, Hα), 1.90 (1H, m, Hβ)

30.3

1.42 (1H, m, Hα), 1.62 (1H, m, Hβ)

30.3

1.42 (1H, m, Hα), 1.62 (1H, m, Hβ)

12

32.3

1.60 (1H, m, Hα), 1.68 (1H, m, Hβ)

32.4

1.60 (1H, m, Hα), 1.69 (1H, m, Hβ)

32.4

1.60 (1H, m, Hα), 1.69 (1H, m, Hβ)

13

46.4

/

46.4

/

46.4

/

14

45.3

/

45.3

/

45.3

/

15

46.6

1.64 (1H, dd, 5.0, 7.5, Hβ), 2.33 (1H, dd, 5.0 7.5, Hα)

46.4

1.63 (1H, dd, 5.2, 7.6, Hβ), 2.31 (1H, dd, 5.2, 7.6, Hα)

46.4

1.63 (1H, dd, 5.2, 7.6, Hβ), 2.31 (1H, dd, 5.2, 7.6, Hα)

16

71.9

4.46 (1H, ddd, 5.0, 7.6, 7.8)

72.3

4.43 (1H, ddd, 5.2, 7.6, 7.9)

72.3

4.43 (1H, ddd, 5.2, 7.6, 7.9)

17

56.0

1.62 (1H, dd, 7.7, 12.2)

56.0

1.64 (1H, dd, 7.9, 12.4)

56.0

1.64 (1H, dd, 7.9, 12.4)

18

16.2

1.18 (3H, s)

16.1

1.20 (3H, s)

16.1

1.20 (3H, s)

19

24.9

0.20 (1H, d, 4.5, Hα) 0.85 (1H, d, 4.5, Hβ)

24.7

0.18 (1H, d, 4.6, Hα), 0.87 (1H, d, 4.6, Hβ)

24.7

0.18 (1H, d, 4.6, Hα), 0.87 (1H, d, 4.6, Hβ)

20

29.7

1.72 (1H, m)

28.5

1.95 (1H, m)

28.5

1.91 (1H, m)

21

17.0

0.97 (1H, d, 7.6)

17.2

0.97 (1H, d, 7.6)

17.2

0.97 (1H, d, 7.6)

22

32.9

2.78 (1H, m, Hα), 2.86 (1H, m, Hβ)

32.4

1.22 (1H, m, Hα), 1.81 (1H, m, Hβ)

32.4

1.82 (1H, m, Hα), 1.01 (1H, m, Hβ)

23

29.5

1.21 (1H, m, Hα), 1.97 (1H, m, Hβ)

30.3

1.42 (1H, m, Hα), 1.62 (1H, m, Hβ)

31.3

2.12 (1H, m, Hα), 1.12 (1H, m, Hβ)

24

218.1

/

77.0

3.36 (1H, dd, 5.1, 12.0)

79.5

3.46 (1H, dd, 5.1, 12.0)

25

76.5

/

71.9

/

71.9

/

26

25.4

1.32 (3H, s)

25.4

1.32 (3H, s)

25.4

1.32 (3H, s)

27

24.8

1.00 (3H, s)

24.0

1.18 (3H, s)

24.5

1.18 (3H, s)

28

24.9

1.00 (3H, s)

24.9

1.00 (3H, s)

24.9

1.00 (3H, s)

29

12.2

0.82 (3H, s)

12.8

0.82 (3H, s)

12.8

0.82 (3H, s)

30

18.5

0.96 (3H, s)

18.5

0.94 (3H, s)

18.5

0.94 (3H, s)

1’

102.6

4.36 (1H, d, 7.8)

102.6

4.35 (1H, d, 7.7)

102.5

4.35 (1H, d, 7.7)

2’

73.9

3.18 (1H, dd, 7.8, 8.8)

73.9

3.18 (1H, dd, 7.7, 8.7)

73.9

3.18 (1H, dd, 7.7, 8.7)

3’

76.9

3.37 (1H, dd, 8.5, 8.8)

76.9

3.40 (1H, dd, 8.7, 9.0)

76.9

3.40 (1H, dd, 8.7, 9.0)

4’

70.2

3.28 (1H, dd, 8.5, 9.0)

70.2

3.27 (1H, dd, 9.0, 9.2)

70.2

3.27 (1H, dd, 9.0, 9.2)

5’

73.7

3.48 (1H, m)

73.7

3.48 (1H, m)

73.7

3.48 (1H, m)

6’

63.9

4.11 (1H, dd, 2.1, 11.9), 4.48 (1H, dd, 2.1, 11.9)

63.9

4.11 (1H, dd, 2.0, 12.0), 4.48 (1H, dd, 2.0, 12)

63.9

4.11 (1H, dd, 2.0, 12.0), 4.48 (1H, dd, 2.0, 12)