Quercetin
Quercetin; CAS: 117-39-5
L. Y. Foo, et al., Phytochemistry, 2000, 54, 539-548
(500MHz, Methanol-d4) δ: 7.73(1H, s, H-2'), 7.63(1H, d, J=8.5, H-6'), 6.88(1H, d, J=8.0, H-5'), 6.39(1H, s, H-8), 6.18(1H, s, H-6)
13 c nmr
| (125MHz, Methanol-d4) δ : 177.5(C-4), 165.8(C-7), 162.7(C-5), 158.4(C-9), 148.9(C-3'), 148.1(C-2), 146.4(C-4'), 137.4(C-3), 124.3(C-1'), 121.8(C-6'), 116.4(C-5'), 116.1(C-2'), 104.7(C-10), 99.4(C-6), 94.6(C-8) |
mass
ir
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