9H-Xanthen-9-one, 1,7-dihydroxy-2,3-dimethoxy-

9H-Xanthen-9-one, 1,7-dihydroxy-2,3-dimethoxy-

Common Name: 9H-Xanthen-9-one, 1,7-dihydroxy-2,3-dimethoxy-

Synonyms: 9H-Xanthen-9-one, 1,7-dihydroxy-2,3-dimethoxy-

CAS Registry Number:

InChI: InChI=1S/C15H12O6/c1-19-11-6-10-12(14(18)15(11)20-2)13(17)8-5-7(16)3-4-9(8)21-10/h3-6,16,18H,1-2H3

InChIKey: InChIKey=BLXIZCDWQXDWQF-UHFFFAOYSA-N

Formula: C15H12O6

Molecular Weight: 288.252757

Exact Mass: 288.063388

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Pinheiro, T.R., Cechinel, V., Santos, A.R.S., Calixto, J.B., Monache, F.D., Pizzolatti, M.G., Yunes, R.A. Phytochemistry (1998) 48, 725-8

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) 153.9
2 (C) 132.2
3 (C) 160.7
4 (CH) 91.3
4a (C) 154.7
5 (CH) 119.5
6 (CH) 125.6
7 (C) 155.7
8 (CH) 109.1
8a (C) 121.4
9 (C) 181.6
9a (C) 104.4
10a (C) 150.2
2a (CH3) 60.7
3a (CH3) 56.5