Common Name: 3,3",5,5",7,7",4',4'''-Octahydroxy[2',2''']biflavone
Synonyms: 4H-1-Benzopyran-4-one, 2,2'-(5,5'-dihydroxy[1,1'-biphenyl]-2,2'-diyl)bis[3,5,7-trihydroxy- (9CI)
CAS Registry Number: 787634-53-1
InChI:
InChIKey:
Formula: C30H18O12
Molecular Weight: 570.46
Exact Mass: 570.0798
NMR Solvent: DMSO-d6
MHz: 300.0
Calibration: not indicated
NMR references: Parveen, M., Ilyas, M., Mushfiq, M., Busudan, O., Muhaisen, H. (2004). A new Biflavonoid from Leaves of Garcinia Nervosa. Nat. Prod. Res. 18, 269-275.
Species: Garcinia nervosa - Parveen, M., Ilyas, M., Mushfiq, M., Busudan, O., Muhaisen, H. (2004). A new Biflavonoid from Leaves of Garcinia Nervosa. Nat. Prod. Res. 18, 269-275.
Notes: Structure shown in the paper is incorrect according to the paper 1H NMR data. Parveen et al. only report 1H NMR data for this compound.
Position | PPM | Peak Type | J (Hz) |
---|---|---|---|
6, 6" | 6.2 | s | |
8, 8" | 6.23 | s | |
3', 5', 3''', 5''' | 7.13 | dd | 8, 2 |
3', 5', 3''', 5''' | 7.22 | dd | 8, 2 |
6', 6''' | 7.36 | d | 8 |
5-OH, 5"-OH | 12.9 | s | |
7-OH, 7"-OH | 10.4 | s | |
4'-OH, 4'''-OH | 9.33 | s | |
3-OH, 3"-OH | 9.31 | not indicated |