Spektraris NMR
5-Hydroxy-1,2-dimethoxyxanthone
Common Name: 5-Hydroxy-1,2-dimethoxyxanthone
Synonyms: 5-Hydroxy-1,2-dimethoxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O5/c1-18-11-7-6-10-12(15(11)19-2)13(17)8-4-3-5-9(16)14(8)20-10/h3-7,16H,1-2H3
InChIKey: InChIKey=SBGFLPXOFOPKEY-UHFFFAOYSA-N
Formula: C15H12O5
Molecular Weight: 272.253352
Exact Mass: 272.068473
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Poobrasert, O., Constant, H.L., Beecher, C.W., Farnsworth, N.R., Kinghorn, A.D., Pezzuto, J.M., Cordell, G.A., Santisuk, T., Reutrakul, V. Phytochemistry (1998) 47, 1661-3
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) | 149 |
| 2 (C) | 151.4 |
| 3 (CH) | 120.6 |
| 4 (CH) | 113.4 |
| 4a (C) | 135.6 |
| 5 (C) | 147.8 |
| 6 (CH) | 120.4 |
| 7 (CH) | 124.2 |
| 8 (CH) | 116.2 |
| 8a (C) | 124 |
| 9 (C) | 176.5 |
| 9a (C) | 117.5 |
| 10a (C) | 145.9 |
| 1a (CH3) | 61.6 |
| 2a (CH3) | 56.8 |
