Rhuschalcone VI

Rhuschalcone VI

Common Name: Rhuschalcone VI

Synonyms: 2-​Propen-​1-​one, 1-​[5'-​[(1E)​-​3-​(2,​4-​dihydroxyphenyl)​- ​3-​oxo-​1-​propen-​1-​yl]​-​2',​4,​6-​trihydroxy[1,​1'-​biphenyl]​-​3-​ yl]​-​3-​(4-​hydroxyphenyl)​-​, (2E)​-​(-​)​-

CAS Registry Number: 541502-84-5

InChI:

InChIKey:

Formula: C30H22O8

Molecular Weight: 510.498

Exact Mass: 510.1315

NMR Solvent: CD3OD

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

Calibration: not indicated

NMR references: de Oliveira, J., David, J., David, J. (2016). Biflavonoids from the bark roots of Poincianella pyramidalis (Fabaceae). Phytochemistry 16, 18-22.

Species: Poincianella pyramidalis - de Oliveira, J., David, J., David, J. (2016). Biflavonoids from the bark roots of Poincianella pyramidalis (Fabaceae). Phytochemistry 16, 18-22.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 7.7 d 2.3
5 6.95 d 8.5
6 7.635 d 2.3
5' 6.38 dd 2.4, 8.5
6' 7.97 d 8.5
2", 6" 6.8 d 9
3", 5" 7.59 d 9
3''' 6.28 d 2.4
6''' 6.39 s
6''' 7.98 s
α 7.66 d 15
β 7.87 d 15
α' 7.634 d 15.5
β' 7.8 d 15.5

Carbon NMR Peaks

Position PPM
1 127.9
2 134.7
3 128
4 159.9
5 118
6 130.5
1' 114.7
2' 167.5
3' 103.7
4' 166.9
5' 109.1
6' 133.4
1" 127.7
2", 6" 131.8
3", 5" 116.9
4" 161.4
1''' 114.4
2''' 166
3''' 104.6
4''' 166.3
5''' 120.5
6''' 133.9
α 118.5
β 145.9
C=O 193.6
α' 118.4
β' 145.5
C=O' 193.4