Common Name: O-Demethylforbexanthone
Synonyms: O-Demethylforbexanthone
CAS Registry Number:
InChI: InChI=1S/C18H14O6/c1-18(2)4-3-8-5-10-14(21)13-11(20)6-9(19)7-12(13)23-17(10)15(22)16(8)24-18/h3-7,19-20,22H,1-2H3
InChIKey: InChIKey=WBKWHYDUDXOZIU-UHFFFAOYSA-N
Formula: C18H14O6
Molecular Weight: 326.300846
Exact Mass: 326.079038
NMR Solvent: DMSO-d6
MHz:
Calibration:
NMR references: 13C - Shen, J., Yang, J.S. Chem Pharm Bull (2006) 54, 126-8
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)
Position | PPM |
---|---|
1 (C) | 162.8 |
2 (CH) | 97.9 |
3 (C) | 165.2 |
4 (CH) | 93.9 |
4a (C) | 157.2 |
5 (C) | 133 |
6 (C) | 146 |
7 (C) | 118.2 |
8 (CH) | 112 |
8a (C) | 113.7 |
9 (C) | 179.4 |
9a (C) | 101.6 |
10a (C) | 146 |
1'' (CH) | 121.1 |
2'' (CH) | 131.6 |
3'' (C) | 77.6 |
4'' (CH3) | 27.9 |
5'' (CH3) | 27.9 |