Spektraris NMR
1,7-Dihydroxy-3,4-dimethoxyxanthone
Common Name: 1,7-Dihydroxy-3,4-dimethoxyxanthone
Synonyms: 1,7-Dihydroxy-3,4-dimethoxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-11-6-9(17)12-13(18)8-5-7(16)3-4-10(8)21-15(12)14(11)20-2/h3-6,16-17H,1-2H3
InChIKey: InChIKey=NQNPLVZPJSLIIA-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - Yang, X.D., Xu, L.Z., Yang, S.L. Phytochemistry (2001) 58, 1245-9
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) | 158.1 |
| 2 (CH) | 94.8 |
| 3 (C) | 159.6 |
| 4 (C) | 128.1 |
| 4a (C) | 148.8 |
| 5 (CH) | 119.3 |
| 6 (CH) | 124.8 |
| 7 (C) | 154 |
| 8 (CH) | 108 |
| 8a (C) | 120.1 |
| 9 (C) | 180.3 |
| 9a (C) | 102.2 |
| 10a (C) | 149.2 |
| 1' (CH3) | 60.9 |
| 1'' (CH3) | 56.5 |
