SA5 heptamethyl ether

SA5 heptamethyl ether

Common Name: SA5 heptamethyl ether

Synonyms: 4H-​1-​Benzopyran-​4-​one, 8-​[5-​(5,​7-​dimethoxy-​4-​oxo-​4H-​1-​benzopyran-​2-​yl)​-​2-​methoxyphenyl]​-​2-​(3,​4-​dimethoxyphenyl)​-​5,​7-​dimethoxy-

CAS Registry Number: 92519-89-6

InChI:

InChIKey:

Formula: C37H32O11

Molecular Weight: 652.652

Exact Mass: 652.1945

NMR Solvent: CDCl3

MHz: 80.0

Calibration: TMS

NMR references: Murthy, S. (1985). Jeediflavanone-A Biflavonoid From Semecarpus anacardium. Phytochemistry 24, 1065-1069.

Species: synthesis - Murthy, S. (1985). Jeediflavanone-A Biflavonoid From Semecarpus anacardium. Phytochemistry 24, 1065-1069.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
6 6.16 d 2
8 6.22 d 2
3, 3" 6.52 s
6" or 8" 6.57 s
2''', 5''', 6''' range 6.82 m
2''', 5''', 6''' range 7.08
2', 5', 6' range 7.21 m
2', 5', 6' range 7.44
5, 7, 4', 5", 7", 3''', 4''' (methoxyl groups) 3.71 s
5, 7, 4', 5", 7", 3''', 4''' (methoxyl groups) 3.76 s
5, 7, 4', 5", 7", 3''', 4''' (methoxyl groups) 3.82 s
5, 7, 4', 5", 7", 3''', 4''' (methoxyl groups) 3.9 s