Abiesin

Abiesin

Common Name: Abiesin

Synonyms: 4H-​1-​Benzopyran-​4-​one, 3,​7-​dihydroxy-​6-​[5-​(5-​hydroxy-​7-​methoxy-​4-​oxo-​4H-​1-​benzopyran-​2-​yl)​-​2-​methoxyphenyl]​-​2-​(4-​methoxyphenyl)​-​, (-​)​- (9CI)

CAS Registry Number: 90850-93-4

InChI:

InChIKey:

Formula: C33H24O10

Molecular Weight: 580.545

Exact Mass: 580.137

NMR Solvent: DMSO-d6

MHz: not indicated

Calibration: not indicated

NMR references: Chatterjee, A., Kotoky, J., Das, K., Banerji, J., Chakraborty, T. (1984). Abiesin, A Biflavonoid of Abies webbiana. Phytochemistry 23, 704-705.

Species: Abies webbiana - Chatterjee, A., Kotoky, J., Das, K., Banerji, J., Chakraborty, T. (1984). Abiesin, A Biflavonoid of Abies webbiana. Phytochemistry 23, 704-705.

Notes:

Carbon NMR Peaks

Position PPM
2 163.57
3 (may be interchanged with 10, 5", 10") 103.2
4 182.01
5 (may be interchanged with 6") 162.16
6 98.06
7 (may be interchanged with 4', 4''') 161.13
8 92.64
9 157.28
10 (may be interchanged with 3, 5", 10") 104.73
1' 122.79
2' 128.23
3' 121.67
4' (may be interchanged with 7, 4''') 160.65
5' 111.73
6' 130.84
4' (may be interchanged with 7, 4''') 55.91
7 (may be interchanged with 4', 4''') 55.41
2" 165.12
3" 145.76
4" 181.86
5" (may be interchanged with 3, 10, 10") 119.06
6" (may be interchanged with 5) 103.2
7" 163.01
8" 93.01
9" 154.32
10" (may be interchanged with 3, 10, 5") 103.82
1''' 122.41
2''' 127.7
3''' 114.46
4''' (may be interchanged with 7, 4') 160.54
5''' 114.46
6''' 127.7
4''' (may be interchanged with 7, 4') 55.91