Spektraris NMR
3,8-Dihydroxy-1,2,4-trimethoxyxanthone
Common Name: 3,8-Dihydroxy-1,2,4-trimethoxyxanthone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C16H14O7/c1-20-13-10-11(18)9-7(17)5-4-6-8(9)23-14(10)16(22-3)12(19)15(13)21-2/h4-6,17,19H,1-3H3
InChIKey: InChIKey=URTSJLZSLJCTDJ-UHFFFAOYSA-N
Formula: C16H14O7
Molecular Weight: 318.278779
Exact Mass: 318.073953
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 (C) | 131.26 |
| 2 (C) | 148.44 |
| 3 (C) | 149.04 |
| 4 (C) | 137.75 |
| 4a (C) | 147.47 |
| 5 (CH) | 106.41 |
| 6 (CH) | 136.06 |
| 7 (CH) | 110.86 |
| 8 (C) | 162.06 |
| 8a (C) | 108.66 |
| 9 (C) | 181.52 |
| 9a (C) | 108.74 |
| 10a (C) | 155.91 |
| 1' (CH3) | 61.8 |
| 1a (CH3) | 62.1 |
| 2a (CH3) | 61.8 |
