Hegoflavone A

Hegoflavone A

Common Name: Hegoflavone A

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

CAS Registry Number: 100288-22-0

InChI:

InChIKey:

Formula: C30H20O11

Molecular Weight: 556.479

Exact Mass: 556.1006

NMR Solvent: DMSO-d6

MHz:

Calibration:

NMR references: Wada, H., Satake, T., Murakami, T., Kojima, T., Saiki, Y., Chen, C. (1985). Chemische und Chemotaxonomische Untersuchungen der Pterophyten. LIX. Chemische Untersuchungen der Inhaltstoffe von Alsophila spinulosa Tryon. Chem. Pharm. Bull. 33, 4182-4187.

Species: Alsophila spinulosa - Wada, H., Satake, T., Murakami, T., Kojima, T., Saiki, Y., Chen, C. (1985). Chemische und Chemotaxonomische Untersuchungen der Pterophyten. LIX. Chemische Untersuchungen der Inhaltstoffe von Alsophila spinulosa Tryon. Chem. Pharm. Bull. 33, 4182-4187.

Notes: See Satake, T., Murakami, T., Yokote, N., Saiki, Y., Chen, C. (1985). Chem Pharm. Bull. 33, 4175. for NMR conditions.

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.42 dd 12, 3
8 6.1 s
2', 6' 7.29 d 9
3', 5' 6.77 d 9
3" 6 s
6" 5.95 d 3
8" 6.05 d 3
2''' 7.15 s
5''' 6.64 s

Carbon NMR Peaks

Position PPM
2 78.6
3 41.8
4 196.4
5 163.6
6 103.4
7 166.1
8 94.5
9 161.7
10 101.5
1' 128.8
2' 128.2
3' 115.1
4' 157.6
5' 115.1
6' 128.2
2" 166
3" 106
4" 181.3
5" 161.3
6" 98.7
7" 163.9
8" 93.4
9" 157.3
10" 103.4
1''' 122.9
2''' 115.1
3''' 144.6
4''' 147.8
5''' 119.9
6''' 123.8