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Table 2 1H and 13C NMR spectral data of compounds AANH-1 and standard artemisinin

From: Phytochemical analysis and anti-microbial activities of Artemisia spp. and rapid isolation methods of artemisinin

C/H

AANH-1*

Artemisinin**

 

δC

δH (multi., J, Hz)

δC

δH (multi., J, Hz)

3

105.4

 

106.7

 

4

35.9

3.43 (m)

36.6

2.08 (ddd)

5

24.8

2.52 (m)

25.7

2.01 (m)

    

1.47 (m)

5a

50.2

1.97 (m)

51.2

1.38 (m)

6

37.6

2.47 (m)

38.1

1.52 (m)

7

32.9

1.76 (m)

34.6

1.09 (m)

  

2.47 (m)

 

1.77 (m)

8

24.8

1.48 (m)

24.0

1.17 (m)

8a

45.0

2.47 (m)

45.6

1.82 (m)

9

33.6

3.60 (m)

34.0

3.31 (dq)

10

172.1

   

12

93.7

5.88 (s)

95.5

6.03 (dq)

12a

79.5

 

81.0

 

13

12.6

1.22 (d, J = 7.34)

12.7

1.16 (d, J = 7.2)

14

19.8

1.02 (d, J = 5.36)

19.9

0.99 (d, J = 6.2)

15

25.2

1.60 (s)

25.2

1.38 (s)

  1. * δ values are in ppm. 1H: 400 MHz; 13C:100 MHz; solvent and internal reference: CDCl3; multi: multiplicity ** (Margueritte et al. 2018) in CD3OD, 700 MHz). The AANH-1 was obtained from n-hexane extract of A. annua leaves
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