Common Name: 1,8-Dihydroxy-3-[(2-methoxy-3-methyl-3-butenyl)oxy]-6-methyl-9H-xanthene-9-one
Synonyms: 1,8-Dihydroxy-3-[(2-methoxy-3-methyl-3-butenyl)oxy]-6-methyl-9H-xanthene-9-one
CAS Registry Number:
InChI: InChI=1S/C20H20O6/c1-10(2)17(24-4)9-25-12-7-14(22)19-16(8-12)26-15-6-11(3)5-13(21)18(15)20(19)23/h5-8,17,21-22H,1,9H2,2-4H3
InChIKey: InChIKey=UBJVPPOAFJCDQI-UHFFFAOYSA-N
Formula: C20H20O6
Molecular Weight: 356.369963
Exact Mass: 356.125988
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Bilia, A.R., Yusuf, A.W., Braca, A., Keita, A., Morelli, I. J Nat Prod (2000) 63, 16-21
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)
Position | PPM |
---|---|
1 (C) | 166.8 |
2 (CH) | 114.9 |
3 (C) | 142 |
4 (CH) | 106.2 |
4a (C) | 156 |
5 (CH) | 99.6 |
6 (C) | 167.4 |
7 (CH) | 100.5 |
8 (C) | 167 |
8a (C) | 103.9 |
9 (C) | 182 |
9a (C) | 104.3 |
10a (C) | 153.6 |
3a (CH2) | 72.6 |
3b (CH) | 75.9 |
3c (C) | 144.4 |
3d (CH3) | 18.9 |
3ba (CH3) | 59 |
3ca (CH2) | 113 |
6a (CH3) | 22.5 |