2,3,4-Trimethoxy-6-hydroxy-9H-xanthene-9-one

2,3,4-Trimethoxy-6-hydroxy-9H-xanthene-9-one

Common Name: 2,3,4-Trimethoxy-6-hydroxy-9H-xanthene-9-one

Synonyms: 2,3,4-Trimethoxy-6-hydroxy-9H-xanthene-9-one

CAS Registry Number:

InChI: InChI=1S/C16H14O6/c1-19-12-7-10-13(18)9-5-4-8(17)6-11(9)22-14(10)16(21-3)15(12)20-2/h4-7,17H,1-3H3

InChIKey: InChIKey=CVRGANONEPHAFP-UHFFFAOYSA-N

Formula: C16H14O6

Molecular Weight: 302.279374

Exact Mass: 302.079038

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Tanaka, N., Takaishi, Y. Chem Pharm Bull (2007) 55, 19-21

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 (CH) 102
2 (C) 150.8
3 (C) 148.6
4 (C) 142.4
4a (C) 146.3
5 (CH) 103.4
6 (C) 165.5
7 (CH) 115.3
8 (CH) 128.9
8a (C) 114.9
9 (C) 176.1
9a (C) 118.9
10a (C) 158.9
1' (CH3) 56.3
1'' (CH3) 61.6
1''' (CH3) 62.2