5,6,7,8,3¥,4¥-Hexamethoxy-3-hydroxyflavone

5,6,7,8,3¥,4¥-Hexamethoxy-3-hydroxyflavone

Common Name: 5,6,7,8,3¥,4¥-Hexamethoxy-3-hydroxyflavone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H22O9/c1-24-11-8-7-10(9-12(11)25-2)16-15(23)14(22)13-17(26-3)19(27-4)21(29-6)20(28-5)18(13)30-16/h7-9,23H,1-6H3

InChIKey: InChIKey=CCJBNIRSVUKABH-UHFFFAOYSA-N

Formula: C21H22O9

Molecular Weight: 418.394795

Exact Mass: 418.126382

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Sugiyama, S., Umehara, K., Kuroyanagi, M., Ueno, A., Taki, T. Chem Pharm Bull (1993) 41, 714-9

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavonols; 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) 146.9
3 (C) 143.1
4 (C) 172
5 (C) 143.6
6 (C) 137.9
7 (C) 150.6
8 (C) 137.5
9 (C) 147.7
10 (C) 111.8
1' (C) 123.9
2' (CH) 111.2
3' (C) 149
4' (C) 151.7
5' (CH) 110.3
6' (CH) 121.1
5a (CH3) 62.4
6a (CH3) 62
7a (CH3) 61.9
8a (CH3) 61.8
3'a (CH3) 56.1
4'a (CH3) 55.8