2,3-Dihydro-3'''-desoxydicranolomin

2,3-Dihydro-3'''-desoxydicranolomin

Common Name: 2,3-Dihydro-3'''-desoxydicranolomin

Synonyms: 4H-​1-​Benzopyran-​4-​one, 2-​[2-​[5,​7-​dihydroxy-​2-​(4-​hydroxyphenyl)​-​4-​oxo-​4H-​1-​benzopyran-​6-​yl]​-​3,​4-​dihydroxyphenyl]​-​2,​3-​dihydro-​5,​7-​dihydroxy-​, (S)​- (9CI)

CAS Registry Number: 175738-07-5

InChI:

InChIKey:

Formula: C30H20O11

Molecular Weight: 556.479

Exact Mass: 556.1006

NMR Solvent: DMSO-d6

MHz: 400.0

Calibration: not indicated

NMR references: Rampendahl, C., Seeger, T., Geiger, H., Zinsmeister, H. (1996). The Biflavonoids of Plagiomnium undulatum. Phytochemistry 41, 1621-1624.

Species: Plagiomnium undulatum - Rampendahl, C., Seeger, T., Geiger, H., Zinsmeister, H. (1996). The Biflavonoids of Plagiomnium undulatum. Phytochemistry 41, 1621-1624.

Notes: No J-values given by Rampendahl et al. for 1H NMR data; 13C NMR data was not presented by Rampendahl et al.

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.95 dd
3 ax 3.1 dd
6 5.79 s
8 5.79 s
5' 6.85 d (ortho-coupled)
6' 6.95 d (ortho-coupled)
3" 6.58 s
8" 6.54 s
2''' 7.91 d (ortho-coupled)
3''' 6.92 d (ortho-coupled)
5''' 6.92 d (ortho-coupled)
6''' 7.91 d (ortho-coupled)