1,8-Dihydroxy-3-[(2-methoxy-3-methyl-3-butenyl)oxy]-6-methyl-9H-xanthene-9-one

1,8-Dihydroxy-3-[(2-methoxy-3-methyl-3-butenyl)oxy]-6-methyl-9H-xanthene-9-one

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)

Carbon NMR Peaks

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