2,3-dihydro-5-hydroxy-2-(1-methylethenyl)-7H-pyrano[2,3-g][1,4]benzodioxin-7-one (º8-hydroxyobliquin)

2,3-dihydro-5-hydroxy-2-(1-methylethenyl)-7H-pyrano[2,3-g][1,4]benzodioxin-7-one (º8-hydroxyobliquin)

Common Name: 2,3-dihydro-5-hydroxy-2-(1-methylethenyl)-7H-pyrano[2,3-g][1,4]benzodioxin-7-one (º8-hydroxyobliquin)

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C14H12O5/c1-7(2)10-6-17-14-9(18-10)5-8-3-4-11(15)19-13(8)12(14)16/h3-5,10,16H,1,6H2,2H3

InChIKey: InChIKey=LLRZQKWRTGZOCP-UHFFFAOYSA-N

Formula: C14H12O5

Molecular Weight: 260.242616

Exact Mass: 260.068473

NMR Solvent: CD3COCD3

MHz:

Calibration:

NMR references: 13C - Li, J.X., Lin, C.J., Yang, X.P., Jia, Z.J. Chem Biodiversity (2006) 3, 783-90

Species:

Notes: Family : Chromans, Type : Coumarins, Group : Coumarins; 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
2 (C) 160.2
3 (CH) 114
4 (CH) 144.3
5 (CH) 104.9
6 (C) 141.1
7 (C) 135.7
8 (C) 133.7
9 (C) 138.1
10 (C) 112.8
1' (CH2) 67.3
2' (CH) 75.8
3' (C) 140.3
4' (CH2) 113.9
5' (CH3) 18.2