Ouratine A tetraacetate

Ouratine A tetraacetate

Common Name: Ouratine A tetraacetate

Synonyms: Ouratine A peracetate

CAS Registry Number: 920742-81-0

InChI:

InChIKey:

Formula: C40H30O14

Molecular Weight: 734.666

Exact Mass: 734.1636

NMR Solvent: CDCl3

MHz: 200.0

Calibration: TMS

NMR references: Mbing, J., Enguehard-Gueiffier, C., de Theodore Atchade, A., Allouchi, H., Gangoue-Pieboji, J., Mbafor, J., Tih, R., Pothier, J., Pegnyemb, D., Gueiffier, A. (2006). Two biflavonoids from Ouratea nigroviolacea. Phytochemistry 67, 2666-2670.

Species: synthesis - Mbing, J., Enguehard-Gueiffier, C., de Theodore Atchade, A., Allouchi, H., Gangoue-Pieboji, J., Mbafor, J., Tih, R., Pothier, J., Pegnyemb, D., Gueiffier, A. (2006). Two biflavonoids from Ouratea nigroviolacea. Phytochemistry 67, 2666-2670.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2', 6' 7.95 d 7.9
2''', 6''' 7.55 d 7.8
3', 5' 7.11 d 7.9
8 7.07 s
3''', 5''' 6.88 d 7.8
3 6.78 s
3'' 6.69 s
6 6.62 s
4'-OCH3 3.95 s
4'''-OCH3 3.83 s
OCOCH3 2.13 s
OCOCH3 2.16 s
OCOCH3 2.21 s
OCOCH3 2.5 s