5,5",7,7",3',4',4'''-Heptahydroxy-[3,8"]-flavanonylflavone

5,5",7,7",3',4',4'''-Heptahydroxy-[3,8"]-flavanonylflavone

Common Name: 5,5",7,7",3',4',4'''-Heptahydroxy-[3,8"]-flavanonylflavone

Synonyms: 2-(3,4-Dihydroxyphenyl)-2,3-dihydro-5,5',7,7'-tetrahydroxy-2'-(4-hydroxyphenyl)[3,8'-bi-4H-1-benzopyran]-4,4'-dione

CAS Registry Number: 119459-71-1

InChI:

InChIKey:

Formula: C30H20O11

Molecular Weight: 556.479

Exact Mass: 556.1006

NMR Solvent: DMSO-d6

MHz: 400 (1H), 100 (13C)

Calibration: TMS

NMR references: Babu, V., Ali, S., Sultana, S., Ilyas, M. (1988). A Biflavonoid From Garcinia nervosa. Phytochemistry 27, 3332-3335.

Species: Garcinia nervosa - Babu, V., Ali, S., Sultana, S., Ilyas, M. (1988). A Biflavonoid From Garcinia nervosa. Phytochemistry 27, 3332-3335.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.64 d 12
3 4.83 d 12
6, 8 5.91 s
2', 6' 7.37 m
5' 6.84 d 8
3" 6.53 s
6" 6.17 s
2''', 6''' 7.08 d 8
3''', 5''' 6.32 d 8
OH 9.27 s
OH 9.5 s
OH 9.83 s
OH 10.79 s
OH 11.18 s
OH 12.2 s
OH 13.2 s

Carbon NMR Peaks

Position PPM
2 80.88
3 48.29
4 196.04
5 163.73
6 96.14
7 168.44
8 95.21
9 162.78
10 103.14
1' 128.35
2' 113.26
3' 145.58
4' 145.61
5' 116.08
6' 119.18
2" 161.57
3" 101.46
4" 181.56
5" 160.46
6" 98.56
7" 163.47
8" 100.49
9" 155.2
10" 102.21
1''' 121.08
2''' 128.1
3''' 114.39
4''' 157.28
5''' 114.39
6''' 128.32