1,5,6-Trihydroxy-3,7-Dimethoxyxanthen-9-one

1,5,6-Trihydroxy-3,7-Dimethoxyxanthen-9-one

Common Name: 1,5,6-Trihydroxy-3,7-Dimethoxyxanthen-9-one

Synonyms: 1,5,6-Trihydroxy-3,7-Dimethoxyxanthen-9-one

CAS Registry Number:

InChI: InChI=1S/C15H12O7/c1-20-6-3-8(16)11-9(4-6)22-15-7(12(11)17)5-10(21-2)13(18)14(15)19/h3-5,16,18-19H,1-2H3

InChIKey: InChIKey=UBCXIVCXMABZNZ-UHFFFAOYSA-N

Formula: C15H12O7

Molecular Weight: 304.252162

Exact Mass: 304.058303

NMR Solvent: DMSO-d6

MHz:

Calibration:

NMR references: 13C - Shen, J., Yang, J.S. Chem Pharm Bull (2006) 54, 126-8

Species:

Notes: Family : Aromatics, Type : Xanthones; 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
1 (C) 162.3
2 (CH) 96.7
3 (C) 165.6
4 (CH) 92.3
4a (C) 157.1
5 (C) 133.3
6 (C) 142.2
7 (C) 146
8 (CH) 95.3
8a (C) 111.2
9 (C) 179.4
9a (C) 102.4
10a (C) 142.2
3a (CH3) 55.9
7a (CH3) 55.9