5'-hydroxy-3,4,7'-trimethoxy-4'h-spiro[bicyclo[4.2.0]octa-1,3,5-triene-7,3'-chromen]-4'-one

5'-hydroxy-3,4,7'-trimethoxy-4'h-spiro[bicyclo[4.2.0]octa-1,3,5-triene-7,3'-chromen]-4'-one

Common Name: 5'-hydroxy-3,4,7'-trimethoxy-4'h-spiro[bicyclo[4.2.0]octa-1,3,5-triene-7,3'-chromen]-4'-one

Synonyms: 5'-hydroxy-3,4,7'-trimethoxy-4'h-spiro[bicyclo[4.2.0]octa-1,3,5-triene-7,3'-chromen]-4'-one

CAS Registry Number:

InChI: InChI=1S/C19H18O6/c1-22-11-5-13(20)17-16(6-11)25-9-19(18(17)21)8-10-4-14(23-2)15(24-3)7-12(10)19/h4-7,20H,8-9H2,1-3H3

InChIKey: InChIKey=GTARHKGCDCSIQV-UHFFFAOYSA-N

Formula: C19H18O6

Molecular Weight: 342.343345

Exact Mass: 342.110338

NMR Solvent: CD3COCD3

MHz:

Calibration:

NMR references: 13C - Mutanyatta, J., Matapa, B.G., Shushu, D.D., Abegaz, B.M. Phytochemistry (2003) 62, 797-804

Species:

Notes: Family : Flavonoids, Type : Homoisoflavonoids; 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 (CH2) 73.9
3 (C) 54.5
4 (C) 194.1
5 (C) 166.5
6 (CH) 95.1
7 (C) 168.4
8 (CH) 94.1
9 (C) 163.8
10 (C) 102.4
11 (CH2) 35.2
1' (C) 134.3
2' (CH) 108.8
3' (C) 150.8
4' (C) 152.1
5' (CH) 107.1
6' (C) 136
7a (CH3) 55.8
3'a (CH3) 56.1
4'a (CH3) 56