2"S,3"-dihydrodelicaflavone

2"S,3"-dihydrodelicaflavone

Common Name: 2"S,3"-dihydrodelicaflavone

Synonyms: apigenin-(3-O-4''')-naringenin

CAS Registry Number:

InChI:

InChIKey:

Formula: C30H20O10

Molecular Weight: 540.48

Exact Mass: 540.1057

NMR Solvent: acetone-d6

MHz: 300 (1H), 125 (13C)

Calibration: not indicated

NMR references: Guodong, Z. (2006). Natural Products from Selaginella. M.S. Dissertation, National University of Singapore.

Species: Selaginella ciliaris - Guodong, Z. (2006). Natural Products from Selaginella. M.S. Dissertation, National University of Singapore.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
6 6.29 d 2.1
8 6.59 d 2.1
2' 7.97 d 8.7
3' 6.97 d 9.1
5' 6.97 d 9.1
6' 7.97 d 8.7
2" 5.51 dd 3, 13
3" 2.77 dd 3, 17
3'' 3.19 dd 17, 13
6" 5.94 d 2.1
8" 5.96 d 2.1
2''' 7.5 d 8.7
3''' 7.15 d 8.7
5''' 7.15 d 8.7
6''' 7.5 d 8.7
5-OH 12.45 s
5"-OH 12.15 s

Carbon NMR Peaks

Position PPM
2 158.9
3 134.6
4 178.6
5 164
6 100.5
7 (may be interchanged with 5") 166
8 95.6
9 158.9
1' 122.6
2' 132
3' 116.8
4' 162.2
5' 116.8
6' 132
2" 80.4
3" 44.1
4" 197.7
5" (may be interchanged with 7) 166.2
6" 97.7
7" 168.3
8" 96.6
9" 165
1''' 130.3
2''' 129.8
3''' 117.3
4''' 159
5''' 117.3
6''' 129.8