Spektraris NMR
2,3-Dimethoxy-4,7-dihydroxy-9H-xanthene-9-one
Common Name: 2,3-Dimethoxy-4,7-dihydroxy-9H-xanthene-9-one
Synonyms: 2,3-Dimethoxy-4,7-dihydroxy-9H-xanthene-9-one
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-11-6-9-12(17)8-5-7(16)3-4-10(8)21-14(9)13(18)15(11)20-2/h3-6,16,18H,1-2H3
InChIKey: InChIKey=HSJRZRKRXHUONV-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
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) | 96.5 |
| 2 (C) | 150.9 |
| 3 (C) | 143.1 |
| 4 (C) | 141.5 |
| 4a (C) | 143.5 |
| 5 (CH) | 119.7 |
| 6 (CH) | 124.7 |
| 7 (C) | 155.4 |
| 8 (CH) | 109.9 |
| 8a (C) | 122.7 |
| 9 (C) | 176.6 |
| 9a (C) | 117.7 |
| 10a (C) | 150.5 |
| 2a (CH3) | 55.9 |
| 3a (CH3) | 60.8 |
