Podocarpusflavone B

Podocarpusflavone B

Common Name: Podocarpusflavone B

Synonyms: Putraflavone

CAS Registry Number: 23624-21-7

InChI:

InChIKey:

Formula: C32H22O10

Molecular Weight: 566.518

Exact Mass: 566.1213

NMR Solvent: CD3OD and pyridine-d5

MHz: 400.0

Calibration: not indicated

NMR references: Yeh, P., Shieh, Y., Hsu, L., Kuo, L., Lin, J., Liaw, C., Kuo, Y. (2012). Naturally Occurring Cytotoxic [3' → 8"]-Biflavonoids from Podocarpus nakaii. J. Tradit. Complement Med. 2, 220-226.

Species: Podocarpus nakii - Yeh, P., Shieh, Y., Hsu, L., Kuo, L., Lin, J., Liaw, C., Kuo, Y. (2012). Naturally Occurring Cytotoxic [3' → 8"]-Biflavonoids from Podocarpus nakaii. J. Tradit. Complement Med. 2, 220-226.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3 7.09 s
6 6.56 d 2
8 6.66 d 2.4
2' 8.54 d 2.4
5' 7.54 d 8.8
6' 8.03 dd 8.8, 2.4
3" 6.95 s
6" 6.92 s
2''' 7.88 d 8.5
3''' 6.99 d 8.5
5''' 6.99 d 8.5
6''' 7.88 d 8.5
7-OCH3 3.69 s
4'''-OCH3 3.59 s

Carbon NMR Peaks

Position PPM
2 165
3 104.9
4 182.8
5 162.8
6 100
7 165.7
8 93
9 158.1
10 105.5
1' 121.9
2' 132.6
3' 122.9
4' 161.7
5' 117.5
6' 128.3
2" 164.3
3" 104.9
4" 183
5" 162.4
6" 98.5
7" 163.9
8" 104.9
9" 155.8
10" 122.1
1''' 105.8
2''' 128.4
3''' 114.8
4''' 162.6
5''' 114.8
6''' 128.4
7-OCH3 55.8
4'''-OCH3 55.3