5,7-Dihydroxy 3',4'-dimethoxyspiro[chroman-3,7'-bicyclo[4.2.0]octa-[1(6),2,4]triene]-4-one

5,7-Dihydroxy 3',4'-dimethoxyspiro[chroman-3,7'-bicyclo[4.2.0]octa-[1(6),2,4]triene]-4-one

Common Name: 5,7-Dihydroxy 3',4'-dimethoxyspiro[chroman-3,7'-bicyclo[4.2.0]octa-[1(6),2,4]triene]-4-one

Synonyms: 5,7-Dihydroxy 3',4'-dimethoxyspiro[chroman-3,7'-bicyclo[4.2.0]octa-[1(6),2,4]triene]-4-one

CAS Registry Number:

InChI: InChI=1S/C18H16O6/c1-22-13-3-9-7-18(11(9)6-14(13)23-2)8-24-15-5-10(19)4-12(20)16(15)17(18)21/h3-6,19-20H,7-8H2,1-2H3

InChIKey: InChIKey=MKPGLCWEMPNQKG-UHFFFAOYSA-N

Formula: C18H16O6

Molecular Weight: 328.316728

Exact Mass: 328.094688

NMR Solvent: CD3OD

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) 73.7
3 (C) 54.4
4 (C) 196.1
5 (C) 162.8
6 (CH) 95.3
7 (C) 164.9
8 (CH) 92.5
9 (C) 163.9
10 (C) 100.7
11 (CH2) 35.3
1' (C) 134.6
2' (CH) 108.5
3' (C) 151.5
4' (C) 150.3
5' (CH) 106.7
6' (C) 136.3
3'a (CH3) 55.9
4'a (CH3) 55.9