Spektraris NMR
1,2-dimethoxyxanthone
Common Name: 1,2-dimethoxyxanthone
Synonyms: 1,2-dimethoxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O4/c1-17-12-8-7-11-13(15(12)18-2)14(16)9-5-3-4-6-10(9)19-11/h3-8H,1-2H3
InChIKey: InChIKey=ONRNUIQDDGNBFL-UHFFFAOYSA-N
Formula: C15H12O4
Molecular Weight: 256.253947
Exact Mass: 256.073559
NMR Solvent: DMSO-d6
MHz:
Calibration:
NMR references: 13C - Saraiva, L., Fresco, P., Pinto, E., Sousa, E., Pinto, M., Goncalves, J. Bioorg Med Chem (2002) 10, 3219-27
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) | 148.9 |
| 2 (C) | 150.3 |
| 3 (CH) | 117.6 |
| 4 (CH) | 113.2 |
| 4a (C) | 147.5 |
| 5 (CH) | 120.7 |
| 6 (CH) | 135 |
| 7 (CH) | 123.9 |
| 8 (CH) | 126 |
| 8a (C) | 121.4 |
| 9 (C) | 175.2 |
| 9a (C) | 116.4 |
| 10a (C) | 154.7 |
| 1' (CH3) | 61 |
| 1'' (CH3) | 56.6 |
