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Table 2 1 H NMR (600 MHz) and 13 C NMR (150 MHz) data of compound 1 in DMSO- d 6 (δ, ppm)

From: Anti-proliferative of physcion 8-O-β-glucopyranoside isolated from Rumex japonicus Houtt. on A549 cell lines via inducing apoptosis and cell cycle arrest

Position

δH(J in Hz)

δc

Position

δH(J in Hz)

δc

1

12.87 (s, -OH)

161.6

8a

 

114.5

2

7.17 (brs)

125.1

9a

 

114.4

3

 

147.1

10a

 

136.4

4

7.46 (d, 1.6 Hz)

119.3

1′

 

100.9

5

7.38 (d, 2.6 Hz)

106.7

2′

 

73.3

6

 

164.7

3′

 

77.2

7

7.19 (d, 2.6 Hz)

107.5

4′

 

69.8

8

3.74 (s)

161.1

5′

 

76.8

9

 

186.4

6′

 

60.8

10

 

181.7

3-CH3

2.39 (s)

21.3

4a

 

132.1

6-OCH3

3.97 (s)

56.1