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Table 2 1H NMR and 13C NMR chemical shifts (δ/ppm) of (2) and (3) DMSO-d 6 as the solvents (25°C)

From: Anti-inflammatory new coumarin from the Ammi majus L

Position

DMSO-d 6

 

2

3

 

1 H

13 C

1 H

13 C

1

-

-

-

-

C2(C = O)

-

162.5

-

161.8

C3

6.29s

113.2

7.95d

117.05

C4

-

152.6

6.72d

147.3

C5

6.62d

109.3

5.35d

113.4

C6(OH)

6.43d

143.7

6.25d

143.6

C7

-

146.8

-

146.2

C8

6.82d

104.9

6.80d

104.2

C9

-

147.5

-

149.7

C10

-

112.5

-

111.3

C11(CH3)

2.45s

19.8

-

-

C12(OCH3)

3.84s

56.3

3.79s

56.1