Spektraris NMR
1,7-dihydroxy-2,8-dimethoxyxanthone
Common Name: 1,7-dihydroxy-2,8-dimethoxyxanthone
Synonyms: 1,7-dihydroxy-2,8-dimethoxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-10-6-5-8-11(13(10)17)14(18)12-9(21-8)4-3-7(16)15(12)20-2/h3-6,16-17H,1-2H3
InChIKey: InChIKey=NHRRDMXXNBOCLN-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Reutrakul, V., Chanakul, W., Pohmakotr, M., Jaipetch, T., Yoosook, C., Kasisit, J., Napaswat, C., Santisuk, T., Prabpai, S., Kongsaeree, P., Tuchinda, P. Planta Med (2006) 72, 1433-5
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) | 150.9 |
| 2 (C) | 142.5 |
| 3 (CH) | 120.8 |
| 4 (CH) | 105 |
| 4a (C) | 149.5 |
| 5 (CH) | 114.1 |
| 6 (CH) | 123.5 |
| 7 (C) | 145.2 |
| 8 (C) | 144.2 |
| 8a (C) | 114.2 |
| 9 (C) | 182.5 |
| 9a (C) | 109.2 |
| 10a (C) | 151.2 |
| 1' (CH3) | 62.7 |
| 2a (CH3) | 57.2 |
