Spektraris NMR
2,3-dimethoxyxanthen-9-one
Common Name: 2,3-dimethoxyxanthen-9-one
Synonyms: 2,3-dimethoxyxanthen-9-one
CAS Registry Number:
InChI: InChI=1S/C15H12O4/c1-17-13-7-10-12(8-14(13)18-2)19-11-6-4-3-5-9(11)15(10)16/h3-8H,1-2H3
InChIKey: InChIKey=FWCWUPRCWDSQEN-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 (CH) | 104.7 |
| 2 (C) | 146.7 |
| 3 (C) | 152 |
| 4 (CH) | 100.5 |
| 4a (C) | 155.6 |
| 5 (CH) | 118 |
| 6 (CH) | 134.8 |
| 7 (CH) | 124.3 |
| 8 (CH) | 125.9 |
| 8a (C) | 120.9 |
| 9 (C) | 174.8 |
| 9a (C) | 114 |
| 10a (C) | 155.7 |
| 2a (CH3) | 55.9 |
| 3a (CH3) | 56.6 |
