5'-hydroxyamentoflavone

5'-hydroxyamentoflavone

Common Name: 5'-hydroxyamentoflavone

Synonyms: 4H-​1-​Benzopyran-​4-​one, 8-​[5-​(5,​7-​dihydroxy-​4-​oxo-​4H-​1-​benzopyran-​2-​yl)​-​2,​3-​dihydroxyphenyl]​-​5,​7-​dihydroxy-​2-​(4-​hydroxyphenyl)​-

CAS Registry Number: 114865-39-3

InChI:

InChIKey:

Formula: C30H18O11

Molecular Weight: 554.46

Exact Mass: 554.0849

NMR Solvent: DMSO-d6

MHz: 400 (1H), 100 (13C)

Calibration: not indicated

NMR references: Seeger, T., Zinsmeister, H., Geiger, H. (1990). The Biflavonoid Pattern of Rhytidiadelphus squarrosus (Hedw.) Warnst. Z. Naturforsch. 45c, 583-586.

Species: Rhytidiadelphus squarrosus - Seeger, T., Zinsmeister, H., Geiger, H. (1990). The Biflavonoid Pattern of Rhytidiadelphus squarrosus (Hedw.) Warnst. Z. Naturforsch. 45c, 583-586.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3 6.7 s
6 6.18 d 2
8 6.42 d 2
2' 7.48 d 2
6' 7.52 d 2
3" 6.78 s
6" 6.38 s
2''' 7.58 d 9
3''' 6.7 d 9
5''' 6.7 d 9
6''' 7.58 d 9

Carbon NMR Peaks

Position PPM
2 163.7
3 102.9
4 182
5 160.9
6 98.8
7 164
8 93.8
9 157.3
10 103.6
1' 120.5
2' 122.3
3' 120.1
4' 148.4
5' 145.7
6' 112
2" 163.9
3" 102.5
4" 181.5
5" 160.4
6" 98.6
7" 161.9
8" 104.1
9" 154.5
10" 103.6
1''' 121.4
2''' 128.2
3''' 115.7
4''' 161.4
5''' 115.7
6''' 128.2