Spektraris NMR
4,5-dihydroxy-2,3-dimethoxyxanthone
Common Name: 4,5-dihydroxy-2,3-dimethoxyxanthone
Synonyms: 4,5-dihydroxy-2,3-dimethoxyxanthone
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-10-6-8-11(17)7-4-3-5-9(16)13(7)21-14(8)12(18)15(10)20-2/h3-6,16,18H,1-2H3
InChIKey: InChIKey=MYOKUQAKQLUGGR-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Tanaka, N., Takaishi, Y. Phytochemistry (2006) 67, 2146-51
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) | 96.7 |
| 2 (C) | 151 |
| 3 (C) | 143.2 |
| 4 (C) | 141.6 |
| 4a (C) | 143.2 |
| 5 (C) | 148.3 |
| 6 (CH) | 120.5 |
| 7 (CH) | 123.6 |
| 8 (CH) | 116.3 |
| 8a (C) | 123.6 |
| 9 (C) | 176.9 |
| 9a (C) | 118.2 |
| 10a (C) | 147 |
| 2a (CH3) | 55.9 |
| 3a (CH3) | 60.8 |
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The Spektraris NMR database is developed and hosted by the Lange laboratory at WSU. CAS Registry Number is a Registered Trademark of the American Chemical Society.