Ginkgetin CAS No.481-46-9 / Cat No.EBD43188
5,7-dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-chromen-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-4H-chromen-4-one
4H-1-Benzopyran-4-one, 5,7-dihydroxy-8-(5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-methoxyphenyl)-2-(4-hydroxyphenyl)-
4H-1-benzopyran-4-one, 5,7-dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-
5,7-Dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-chromen-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-4H-chromen-4-one
ginkgetin
Ginkgetin
4H-1-benzopyran-4-one, 5,7-dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-
5,7-Dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-chromen-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-4H-chromen-4-one
ginkgetin
Properties
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Density:
1.506 g/cm3
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Melting point:
336 °C
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Boiling point:
863.7 °C at 760 mmHg
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Flashing point:
287.1 °C
NMR Spectrum
Prediction： 1H-NMR (DMSO-d6) delta: 6.99 (1H, s, 3-H), 6.35 (1H, d, J = 2.0 Hz, 6-H), 6.78 (1H, d, J = 2.0 Hz, 8-H), 8.09 (1H, d, J = 2.4 Hz, 2-H), 7.35 (1H, d, J = 8.7 Hz, 5-H), 8.20 (1H, dd, J = 2.4, 8.7 Hz,6-H), 6.79 (1H, s, 3-H), 6.40 (1H, s, 6-H), 7.48 (2H, d, J = 9.1 Hz, 2-H, 6-H), 6.71 (2H, d, J = 9.1 Hz, 3-H, 5-H), 12.91 (1H, s, 5-OH), 13.22 (1H, s, 5-OH), 10.83 (1H, bs, 7-OH), 10.28 (1H, bs, 4-OH), 3.83 (3H, s, 7-OCH3), 3.78 (3H, s, 4-OCH3)
1H NMR
13C NMR
