Delicaflavone

Delicaflavone

Common Name: Delicaflavone

Synonyms: 4H-​1-​Benzopyran-​4-​one, 3-​[4-​(5,​7-​dihydroxy-​4-​oxo-​4H-​1-​benzopyran-​2-​yl)​phenoxy]​-​5,​7-​dihydroxy-​2-​(4-​hydroxyphenyl)​-

CAS Registry Number: 343569-15-3

InChI:

InChIKey:

Formula: C30H18O10

Molecular Weight: 538.46

Exact Mass: 538.09

NMR Solvent: acetone-d6

MHz: 500 (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 6.31 d 1.9
8 6.6 d 1.9
2' 7.95 d 9.2
3' 6.97 d 8.8
5' 6.97 d 8.8
6' 7.95 d 9.2
3" 6.69 s
6" 6.26 d 1.9
8" 6.53 d 1.9
2''' 8.01 d 9.3
3''' 7.29 d 8.8
5''' 7.29 d 8.8
6''' 8.01 d 9.3
5-OH 12.36 s
5"-OH 12.92 s

Carbon NMR Peaks

Position PPM
2 159.1
3 133.9
4 178.2
5 163.6
6 100.5
7 165.1
8 95.7
9 158.9
10 105.9
1' 117.5
2' 131.9
3' 117.3
4' 162.3
5' 117.3
6' 131.9
2" 163.8
3" 105.9
4" 183.8
5" 163.6
6" 100.5
7" 164
8" 95.7
9" 159.5
10" 100.5
1''' 122.3
2''' 129.9
3''' 117.3
4''' 161.6
5''' 117.3
6''' 129.9