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Table 1 1 H- and 13 C-NMR data of lupinalbin A and 2′-hydroxygenistein (in CD 3 OD)as compared with literature [13, 14]

From: Lupinalbin A as the most potent estrogen receptor α- and aryl hydrocarbon receptor agonist in Eriosema laurentii de Wild. (Leguminosae)

  

Lupinalbin A

2′-Hydroxygenistein

Position

 

1H (ppm) JH,H(Hz)

13C (ppm)

13C (ppm) [13]

1H (ppm) JH,H(Hz)

13C (ppm)

13C (ppm) [14]

2

C

166.22

166.2

7.866

154.78

155.7

3

C

98.65

99.5

122.24

120.8

4

C

180.06

180.0

181.59

180.8

4a

C

104.47

104.5

104.87

104.8

5

C

164.04

164.0

161.85

162.3

6

CH

6.281 (d 2.2)

100.92

100.9

6.258 (d 2.2)

99.69

99.3

7

C

165.32

165.2

164.54

164.7

8

CH

6.483 (d 2.2)

95.83

95.8

6.335 (d 2.2)

94.07

94.0

8a

C

156.59

156.6

158.04

158.1

1′

C

115.23

114.7

110.51

109.0

2′

C

151.95

151.9

158.89

156.8

3′

CH

7.007 (d 2.0)

99.51

98.7

6.424 (d 2.0)

104.87

103.0

4′

C

157.81

157.8

156.29

159.0

5′

CH

6.903 (dd 2.0/8.5)

114.67

115.2

6.412 (dd 2.0/8.5)

108.31

106.6

6′

CH

7.780 (d 8.5)

122.52

122.5

6.955 (d 8.5)

130.91

132.6