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

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

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

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

CAS Registry Number:

InChI: InChI=1S/C19H18O5/c1-10(2)4-5-23-12-8-14(21)18-16(9-12)24-15-7-11(3)6-13(20)17(15)19(18)22/h4,6-9,20-21H,5H2,1-3H3

InChIKey: InChIKey=YCHMIHRTWFOENV-UHFFFAOYSA-N

Formula: C19H18O5

Molecular Weight: 326.34394

Exact Mass: 326.115424

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) 166.2
2 (CH) 116.2
3 (C) 142.6
4 (CH) 106.7
4a (C) 154.6
5 (CH) 99.4
6 (C) 167.9
7 (CH) 100.5
8 (C) 167.2
8a (C) 103.5
9 (C) 182.1
9a (C) 104.6
10a (C) 152.8
3a (CH2) 66.1
3b (CH) 121.8
3c (C) 143
3d (CH3) 26
3e (CH3) 17.6
6a (CH3) 22.5