Spektraris NMR
2,4-Dimethoxy-3,7-dihydroxy-9H-xanthene-9-one
Common Name: 2,4-Dimethoxy-3,7-dihydroxy-9H-xanthene-9-one
Synonyms: 2,4-Dimethoxy-3,7-dihydroxy-9H-xanthene-9-one
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-11-6-9-12(17)8-5-7(16)3-4-10(8)21-14(9)15(20-2)13(11)18/h3-6,16,18H,1-2H3
InChIKey: InChIKey=KIMKBIPEOSESHI-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Tanaka, N., Takaishi, Y. Chem Pharm Bull (2007) 55, 19-21
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) | 101.2 |
| 2 (C) | 147.4 |
| 3 (C) | 147.2 |
| 4 (C) | 136.4 |
| 4a (C) | 148.7 |
| 5 (CH) | 119.8 |
| 6 (CH) | 124.2 |
| 7 (C) | 155.4 |
| 8 (CH) | 110 |
| 8a (C) | 122.9 |
| 9 (C) | 176 |
| 9a (C) | 113.6 |
| 10a (C) | 150 |
| 1' (CH3) | 55.1 |
| 1'' (CH3) | 61.2 |
