Himantoflavone

Himantoflavone

Common Name: Himantoflavone

Synonyms:

CAS Registry Number:

InChI:

InChIKey:

Formula: C30H20O10

Molecular Weight: 540.48

Exact Mass: 540.1057

NMR Solvent: acetone-d6

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

Calibration: not indicated

NMR references: Xiaowei, G. (2007). Chemistry of Bryophytes. PhD. Dissertation, National University of Singapore.

Species: Himantocladium cyclophyllum - Xiaowei, G. (2007). Chemistry of Bryophytes. PhD. Dissertation, National University of Singapore.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 8.22 s
6 6.25 d 1.9
8 6.39 d 1.9
2' 7.55 d 2.3
5' 6.95 d 8.3
6' 7.31 dd 2.3, 8.3
2" 5.42 dd 2.8, 13
3" 3.24 dd 13, 17.1
3'' 2.72 dd 2.8, 17.1
6" 5.88 d 1.9
8" 5.95 d 1.9
2''' 7.54 d 2.3
5''' 6.93 d 8.3
6''' 7.42 dd 2.3, 8.3
5-OH 12.2
5"-OH 13.1

Carbon NMR Peaks

Position PPM
2 154.8
3 122.6
4 181
5 165.2
6 100.5
7 166
8 95.2
9 159.7
10 105.5
1' 120.7
2' 131.6
3' 125.2
4' 159.7
5' 119.3
6' 130.8
2" 81.1
3" 44.3
4" 197.9
5" 166.2
6" 97.6
7" 169.2
8" 96.8
9" 165.2
10" 103.5
1''' 128.3
2''' 133.1
3''' 129.3
4''' 159.7
5''' 119.1
6''' 129.5