O-Demethylforbexanthone

O-Demethylforbexanthone

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)

Carbon NMR Peaks

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