Spektraris NMR
2-Carbomethoxy-6-methoxyxanthone
Common Name: 2-Carbomethoxy-6-methoxyxanthone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C16H12O5/c1-19-10-4-5-11-14(8-10)21-13-6-3-9(16(18)20-2)7-12(13)15(11)17/h3-8H,1-2H3
InChIKey: InChIKey=HLNNOSVYGGFKMC-UHFFFAOYSA-N
Formula: C16H12O5
Molecular Weight: 284.264088
Exact Mass: 284.068473
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Kijjoa, A., Gonzalez, M.J., Pinto, M.M., Silva, A.M., Anantachoke, C., Herz, W. Phytochemistry (2000) 55, 833-6
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) | 129.24 |
| 2 (C) | 126.01 |
| 3 (CH) | 134.96 |
| 4 (CH) | 118.15 |
| 4a (C) | 158.79 |
| 5 (CH) | 100.44 |
| 6 (C) | 165.43 |
| 7 (CH) | 113.74 |
| 8 (CH) | 128.46 |
| 8a (C) | 115.72 |
| 9 (C) | 175.63 |
| 9a (C) | 121.62 |
| 10a (C) | 157.92 |
| 2a (C) | 165.99 |
| 2b (CH3) | 52.39 |
| 6a (CH3) | 55.93 |
