Luxenchalcone

Luxenchalcone

Common Name: Luxenchalcone

Synonyms: 2-​Propen-​1-​one, 1-​(2,​4-​dihydroxyphenyl)​-​3-​[4-​[5-​[(1E)​-​3-​(2,​4-​dihydroxyphenyl)​-​3-​oxo-​1-​propen-​1-​yl]​-​2-​hydroxyphenoxy]​phenyl]​-​, (2E)​-

CAS Registry Number: 728916-05-0

InChI:

InChIKey:

Formula: C30H22O8

Molecular Weight: 510.498

Exact Mass: 510.1315

NMR Solvent: acetone-d6

MHz: 200 (1H), 50.3 (13C)

Calibration: TMS

NMR references: de Carvalho, M., Alves, C., da Silva, K., Eberlin, M., Werle, A. (2004). Luxenchalcone, a New Bichalcone and other Constituents from Luxemburgia octandra. J. Braz. Chem. Soc. 15, 146-149.

Species: Luxemburgia octandra - de Carvalho, M., Alves, C., da Silva, K., Eberlin, M., Werle, A. (2004). Luxenchalcone, a New Bichalcone and other Constituents from Luxemburgia octandra. J. Braz. Chem. Soc. 15, 146-149.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 7.69 d 2.3
5 7.09 d 8.3
6 7.57 dd 8.3, 2.3
3' 6.36 d 2.7
5' 6.46 dd 8.7, 2.7
6' 8.1 d 8.7
2" 7.84 d 8.7
3" 7 d 8.7
5" 7 d 8.7
6" 7.84 d 8.7
3''' 6.34 d 2.7
5''' 6.46 dd 8.7, 2.7
6''' 8.1 d 8.7
H-α 7.85 m
H-α'' 7.85 m
H-β 7.83 m
H-β'' 13.58 br s

Carbon NMR Peaks

Position PPM
1 128.4
2 122.6
3 144
4 152.8
5 118.2
6 128.4
1' 114.2
2' 165.6
3' 103.7
4' 167.3
5' 108.8
6' 130.9
1" 129.8
2" 129.8
3" 117.2
4" 160.9
5" 117.2
6" 129.8
1''' 114.2
2''' 165.7
3''' 103.7
4''' 167.3
5''' 108.8
6''' 131.5
H-α 117.2
H-α'' 117.2
H-β 143.2
H-β'' 143.2
C=O 192.4