2,3-Dihydroxy-1,6,7-trimethoxyxanthone

2,3-Dihydroxy-1,6,7-trimethoxyxanthone

Common Name: 2,3-Dihydroxy-1,6,7-trimethoxyxanthone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C16H14O7/c1-20-10-4-7-9(6-11(10)21-2)23-12-5-8(17)15(19)16(22-3)13(12)14(7)18/h4-6,17,19H,1-3H3

InChIKey: InChIKey=HXDDCCDTVYUVJA-UHFFFAOYSA-N

Formula: C16H14O7

Molecular Weight: 318.278779

Exact Mass: 318.073953

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Chung, M.I., Weng, J.R., Wang, J.P., Teng, C.M., Lin, C.N. Planta Med (2002) 68, 25-9

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) 165.7
2 (C) 140.2
3 (C) 161.2
4 (CH) 96.4
4a (C) 143
5 (CH) 96.5
6 (C) 163.6
7 (C) 151.4
8 (CH) 97.6
8a (C) 119.3
9 (C) 176.9
9a (C) 106.4
10a (C) 142.1
1a (CH3) 56.4
6a (CH3) 56.5
7a (CH3) 61.4