(2R*,3R*,2’’R*,3’’R*)-7-hydroxy-4’-methoxy-(3→3’’)-3’’’,7’’-dihydroxy-4’’’-methoxy-flavanone

(2R*,3R*,2’’R*,3’’R*)-7-hydroxy-4’-methoxy-(3→3’’)-3’’’,7’’-dihydroxy-4’’’-methoxy-flavanone

Common Name: (2R*,3R*,2’’R*,3’’R*)-7-hydroxy-4’-methoxy-(3→3’’)-3’’’,7’’-dihydroxy-4’’’-methoxy-flavanone

Synonyms:

CAS Registry Number:

InChI:

InChIKey:

Formula: C32H26O9

Molecular Weight: 554.55

Exact Mass: 554.1577

NMR Solvent: (CD3)2CO

MHz: 500 (1H), 125 (13C)

Calibration: CO(CD3)2, C5D5N, CD3OD

NMR references: Cardoso, M., Lima, L., David, J., Moreira, B., Santos, E., David, J., Alves, C. (2015). A New Biflavonoid from Schinopsis brasiliensis (Anacardiacae). J. Braz. Chem. Soc. 26, 1527-1531.

Species: Schinopsis brasiliensis - Cardoso, M., Lima, L., David, J., Moreira, B., Santos, E., David, J., Alves, C. (2015). A New Biflavonoid from Schinopsis brasiliensis (Anacardiacae). J. Braz. Chem. Soc. 26, 1527-1531.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.98 d 12.2
3 2.76 dd 1.4, 12.2
5 7.71 d 8.7
6 6.58 dd 2.3, 8.7
8 6.32 d 2.3
2', 6' 7.07 d 7.6
3', 5' 6.94 d 7.6
2" 5.92 d 12.2
3" 2.63 dd 1.4, 12.2
5" 7.71 d 8.7
6" 6.58 dd 2.3, 8.7
8" 6.32 d 2.3
2''' 6.62 d 2
5''' 6.95 d 8
6''' 6.63 dd 2, 8
4'-OCH3 3.84 s
4'''-OCH3 3.89 s

Carbon NMR Peaks

Position PPM
2 84.8
3 51.6
4 191.6
5 129.8
6 111.4
7 165.7
8 103.4
9 164.1
10 114.9
1' 130.1
2', 6' 130
3', 5' 114.8
4' 161.2
2" 85
3" 51.8
4" 191.5
5" 129.8
6" 111.4
7" 165.7
8" 103.4
9" 164.1
10" 114.9
1''' 131
2''' 115.1
3''' 147.7
4''' 149.2
5''' 112.2
6''' 120.2
4'-OCH3 55.6
4'''-OCH3 56.3