Neochamaejasmin A

Neochamaejasmin A

Common Name: Neochamaejasmin A

Synonyms:

CAS Registry Number: 90411-13-5

InChI:

InChIKey:

Formula: C30H22O10

Molecular Weight: 542.496

Exact Mass: 542.1213

NMR Solvent: CD3OD

MHz: not indicated

Calibration: TMS

NMR references: Niwa, M., Jiang, P., Hirata, Y. (1986). Two New C-3/C-3"-Biflavanones from Wikstroemia sikokiana. Chem. Pharm. Bull. 34, 3631-3634.

Niwa, M., Tatematsu, H., Liu, G., Hirata, Y. (1984). Isolation and Structures of Two New C-3/C-3"-Biflavanones, Neochamaejasmin A and Neochamaejasmin B. Chem. Lett. 539-542.

Species: not indicated - Niwa, M., Jiang, P., Hirata, Y. (1986). Two New C-3/C-3"-Biflavanones from Wikstroemia sikokiana. Chem. Pharm. Bull. 34, 3631-3634. Stellera chameajaseme - Niwa, M., Tatematsu, H., Liu, G., Hirata, Y. (1984). Isolation and Structures of Two New C-3/C-3"-Biflavanones, Neochamaejasmin A and Neochamaejasmin B. Chem. Lett. 539-542.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3, 3" 2.9 d 4
2, 2" 5.26 d 4
6, 6" 5.72 d 2
8, 8" 5.96 d 2
2', 6', 2''', 6''' 6.94 d 8
3', 5', 3''', 5''' 6.68 d 8

Carbon NMR Peaks

Position PPM
2 81.6
3 47.7
4 197.3
5 164.7
6 96.7
7 168
8 95.8
9 164.3
10 103.5
1' 128.1
2' 128.1
3' 116.2
4' 157.7
5' 116.2
6' 128.1
2" 81.6
3" 47.7
4" 197.3
5" 164.7
6" 96.7
7" 168
8" 95.8
9" 164.3
10" 103.5
1''' 128.1
2''' 128.1
3''' 116.2
4''' 157.7
5''' 116.2
6''' 128.1