Spektraris NMR
2,7-Dimethoxy-1,3,6,8-tetrahydroxyxanthone
Common Name: 2,7-Dimethoxy-1,3,6,8-tetrahydroxyxanthone
Synonyms: 2,7-Dimethoxy-1,3,6,8-tetrahydroxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O8/c1-21-14-5(16)3-7-9(12(14)19)11(18)10-8(23-7)4-6(17)15(22-2)13(10)20/h3-4,16-17,19-20H,1-2H3
InChIKey: InChIKey=LYCMTRLSGDVTRF-UHFFFAOYSA-N
Formula: C15H12O8
Molecular Weight: 320.251567
Exact Mass: 320.053217
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Pinheiro, T.R., Cechinel, V., Santos, A.R.S., Calixto, J.B., Monache, F.D., Pizzolatti, M.G., Yunes, R.A. Phytochemistry (1998) 48, 725-8
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) | 153.8 |
| 2 (C) | 131.7 |
| 3 (C) | 160.5 |
| 4 (CH) | 95 |
| 4a (C) | 154.6 |
| 5 (CH) | 95 |
| 6 (C) | 160.5 |
| 7 (C) | 131.7 |
| 8 (C) | 153.8 |
| 8a (C) | 101.6 |
| 9 (C) | 183.9 |
| 9a (C) | 101.6 |
| 10a (C) | 154.6 |
| 2a (CH3) | 60.5 |
| 7a (CH3) | 60.5 |
