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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