5,7-dihydroxy-2-(2,3,4,5,6-pentamethoxyphenyl)chromen-4-one

5,7-dihydroxy-2-(2,3,4,5,6-pentamethoxyphenyl)chromen-4-one

Common Name: 5,7-dihydroxy-2-(2,3,4,5,6-pentamethoxyphenyl)chromen-4-one

Synonyms: 5,7-dihydroxy-2-(2,3,4,5,6-pentamethoxyphenyl)chromen-4-one

CAS Registry Number:

InChI: InChI=1S/C20H20O9/c1-24-16-15(17(25-2)19(27-4)20(28-5)18(16)26-3)13-8-11(23)14-10(22)6-9(21)7-12(14)29-13/h6-8,21-22H,1-5H3

InChIKey: InChIKey=AWJLBZCAQJYFDM-UHFFFAOYSA-N

Formula: C20H20O9

Molecular Weight: 404.368177

Exact Mass: 404.110732

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Tuchinda, P., Saiai, A., Pohmakotr, M., Yoosook, C., Kasisit, J., Napaswat, C., Santisuk, T., Reutrakul, V. Planta Med (2004) 70, 366-70

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavones; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)

Carbon NMR Peaks

Position PPM
2 (C) 160.9
3 (CH) 112.17
4 (C) 182.42
5 (C) 162.34
6 (CH) 99.54
7 (C) 162.99
8 (CH) 94.32
9 (C) 158.67
10 (C) 105.35
1' (C) 116.49
2' (C) 147.69
3' (C) 143.1
4' (C) 150.19
5' (C) 143.1
6' (C) 147.69
2'a (CH3) 61.86
3'a (CH3) 61.3
4'a (CH3) 61.51
5'a (CH3) 61.3
6'a (CH3) 61.86