1,8-Dihydroxy-3-[(4-hydroxy-3-methyl-2-butenyl)oxy]-6-methyl-9H-xanthene-9-one

1,8-Dihydroxy-3-[(4-hydroxy-3-methyl-2-butenyl)oxy]-6-methyl-9H-xanthene-9-one

Common Name: 1,8-Dihydroxy-3-[(4-hydroxy-3-methyl-2-butenyl)oxy]-6-methyl-9H-xanthene-9-one

Synonyms: 1,8-Dihydroxy-3-[(4-hydroxy-3-methyl-2-butenyl)oxy]-6-methyl-9H-xanthene-9-one

CAS Registry Number:

InChI: InChI=1S/C19H18O6/c1-10(9-20)3-4-24-12-7-14(22)18-16(8-12)25-15-6-11(2)5-13(21)17(15)19(18)23/h3,5-8,20-22H,4,9H2,1-2H3/b10-3+

InChIKey: InChIKey=ZLHOXNDIHMXOPF-XCVCLJGOSA-N

Formula: C19H18O6

Molecular Weight: 342.343345

Exact Mass: 342.110338

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) 166.6
2 (CH) 115.8
3 (C) 141.8
4 (CH) 106.8
4a (C) 154.9
5 (CH) 98.9
6 (C) 168.2
7 (CH) 100.6
8 (C) 167.2
8a (C) 104
9 (C) 182.6
9a (C) 104.6
10a (C) 153
3a (CH2) 65.9
3b (CH) 121.8
3c (C) 140
3d (CH2) 68.6
3e (CH3) 14.9
6a (CH3) 22.5