Ginkgetin

Ginkgetin

Common Name: Ginkgetin

Synonyms: 7,4'-Dimethylamentoflavone

CAS Registry Number: 481-46-9

InChI:

InChIKey:

Formula: C32H22O10

Molecular Weight: 566.518

Exact Mass: 566.1213

NMR Solvent: DMSO-d6

MHz: 400.0

Calibration: TMS

NMR references: Zhang, Y., Shi, S., Wang, Y., Huang, K. (2011). Target-guided isolation and purification of antioxidants from Selaginella sinensis by offline coupling of DPPH-HPLC and HSCCC experiments. J. Chromatogr. B 879, 191-196.

Ryu, Y., Jeong, H., Kim, J., Kim, Y., Park, J., Kim, D., Naguyen, T., Park, S., Chang, J., Park, K., Rho, M., Lee, W. (2010). Biflavonoids from Torreya nucifera displaying SARS-CoV 3CLpro inhibition. Bioorg. Med. Chem. 18, 7940-7947.

Species: Selaginella sinensis - Zhang, Y., Shi, S., Wang, Y., Huang, K. (2011). Target-guided isolation and purification of antioxidants from Selaginella sinensis by offline coupling of DPPH-HPLC and HSCCC experiments. J. Chromatogr. B 879, 191-196.

Notes: other NMR data found here Ryu, Y., Jeong, H., Kim, J., Kim, Y., Park, J., Kim, D., Naguyen, T., Park, S., Chang, J., Park, K., Rho, M., Lee, W. (2010). Biflavonoids from Torreya nucifera displaying SARS-CoV 3CLpro inhibition. Bioorg. Med. Chem. 18, 7940-7947.

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3 6.96 s
6 6.34 s
8 6.75 s
2' 8.09 s
5' 7.35 d 9
6' 8.19 d 9
3" 6.78 s
6" 6.41 s
2''' 7.5 d 8.5
3''' 6.73 d 8.5
5''' 6.73 d 8.5
6''' 7.5 d 8.5
OCH3 3.81 s
OCH3 3.79 s

Carbon NMR Peaks

Position PPM
2 163.9
3 104.1
4 182.2
5 161.4
6 98.4
7 163.8
8 93
9 157.6
10 103.9
1' 121.5
2' 131.2
3' 122.7
4' 160.9
5' 112
6' 128.6
2" 165.5
3" 102.8
4" 182.3
5" 161.4
6" 98.9
7" 162
8" 105
9" 154.6
10" 103.9
1''' 122
2''', 6''' 128.3
3''', 5''' 116.1
4''' 160.9
OCH3 56.3
OCH3 56.2