Jeediflavanone tetramethyl ether triacetate

Jeediflavanone tetramethyl ether triacetate

Common Name: Jeediflavanone tetramethyl ether triacetate

Synonyms: 4H-​1-​Benzopyran-​4-​one, 5-​(acetyloxy)​-​8-​[5-​[5-​(acetyloxy)​-​3,​4-​dihydro-​7-​methoxy-​4-​oxo-​2H-​1-​benzopyran-​2-​yl]​-​2-​methoxyphenyl]​-​2-​[3-​(acetyloxy)​-​4-​methoxyphenyl]​-​2,​3-​dihydro-​7-​methoxy-​, [S-​(R*,​R*)​]​- (9CI)

CAS Registry Number: 90332-25-5

InChI:

InChIKey:

Formula: C40H36O14

Molecular Weight: 740.71

Exact Mass: 740.2105

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)
3, 3", cis protons 2.72 dd 4, 16
3, 3", trans protons 3.1 m
2, 2" 5.42 dd 4, 12
6 6.14 d 2
8 6.2 d 2
6" or 8" 6.58 s
2''', 5''', 6''' range 6.9 m
2''', 5''', 6''' range 7.09
2', 5', 6' range 7.17 m
2', 5', 6' range 7.36
7, 4', 7", 4''' (methoxyl groups) 3.82 s
5, 5", 3''' (acetoxyl groups) 2.24 s
5, 5", 3''' (acetoxyl groups) 2.27 s
5, 5", 3''' (acetoxyl groups) 2.29 s