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Table 1 1H and 13C NMR δ (ppm) data of compounds 1, 4–7

From: Phytoconstituents of Adenanthera pavonina Linn from the bark extracts

Carbon no.

1

4

5

6

7

 

1H δ (ppm)

1H δ (ppm)

13C δ (ppm)

1H δ (ppm)

1H δ (ppm)

13C δ (ppm)

1H δ (ppm)

1

-

2.99

(distorted t, 2H)

37.0

0.86

(d, 3H, J = 7.92 Hz)

4.04 (s, br, 2H)

67.5

2.99

(distorted triplet,2H)

2

1.98 (s, 2H)

3.65

(distorted t, 2H)

34.4

3.87 (m,1H)

 

204

3.17

(distorted triplet,2H, H-2)

3

  

180.3

1.24–1.53 (m,13×2H)

2.34

(t, 2H, J = 7.4 Hz)

33.65

 

4

1.2–1.34

(m, 16H)

3.18 (br, 2H)

46.9

1.24 (m, 34H)

22.71,

24.43

29.09,

29.37,

29.45,

31.95,

33.65,

3.65 (s,2H)

5

2.27 (m, 1H)

37.3

 

6

4.15 (m, 1H)

79.1

5.35 (distorted triplet, 1H)

7

1.24–1.36

(m, 2×2H, 1H)

31.9

 

8

37.3

1.68 (m, 2H)

9

55.4

1.24 (m, 1H)

10

 

38.9

 

11

1.95 (m,2H)

22.7

1.24 (m, 2H)

12

1.54 (m, 2H)

1.24 (m, 2H)

32.2

1.24 (m, 2H)

13

3.33

(distorted triplet, 2H)

1.62 (s, br, OH)

 

56.3

 

14

4.05 (q, J = 7.17 Hz, 2H)

1.24 (m,1H)

42.5

1.24 (m, 1H)

15

0.81 (t, 3H)

1.52 (m, 2H)

24.9

1.51 (m, 2H)

16

0.79 (s, 3H)

1.52 (m, 2H)

29.4

2.35

(distorted triplet,2H)

1.51 (m, 2H)

17

0.79 (s, 3H)

2.71 (m, 1H)

56.0

5.42

(distorted triplet,1H)

2.98 (m, 1H)

18

 

0.81 (s,3H)

18.3

 

0.74 (s, 3H)

19

 

0.74 (s,3H)

14.7

2.03 (s,3H)

0.81 (s,3H)

20

  

150.4

  

21

 

a

4.60

(br, s, 1H)

109.7

 

0.86

(t, 3H, J = 6.28 Hz)

14.13

4.72 (br, s, 1H,)

 

b

4.73

(br, s, 1H)

    

4.59 (br,s, 1H)

22

 

1.67 (m, 2H)

40.5

   

1.60

(distorted triplet, 2H)

23

 

1.27 (m,2H)

27.4

   

1.36 (m, 2H)

24

 

2.18 (m, 1H)

34.4

   

2.27 (m, 1H)

25

 

1.60 (m,1H)

29.4

   

1.63 (m, 1H)

26

 

0.96

(d, 3H, J = 7.0 Hz)

19.4

   

0.94 (d, 3H, J = 9 Hz)

27

 

0.94

(d, 3H, J = 7.0 Hz)

20.9

   

0.94 (d, 3H, J = 9 Hz)

28

 

1.37 (m, 2H)

24.9

   

1.36 (m, 2H)

29

 

0.87

(distorted t, 3H)

14.1

   

0.86 (t, 3H, J = 6.9 Hz)

1′

    

2.34

(t, 2H, J = 7.4 Hz)

2.16

(br, -N-H proton)

57.6

 

2′

    

1.63 (m, 2H)

24.43

 

3′

    

0.86

(t, 3H, J = 6.28 Hz)

14.13

 

4′

   

8.08

(d,1H, J = 8.0 Hz)

   

5′

   

7.47 (dd,1H, J = 8.0 and 7.2 Hz)

   

6′

   

7.60 (d,1H, J = 7.2 Hz)