Rare Flavones from the Glandular Leaf Exudate of the Oxlip, Primula Elatior L
2007 ◽
Vol 2
(3)
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pp. 1934578X0700200
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5,6,2′,3′,6′-Pentamethoxyflavone (1), together with 3′,5′-dihydroxy-4′-methoxyflavone (2), 2′-methoxyflavone, 3′-methoxyflavone, 3′,4′-dimethoxyflavone, 2′,5′-methoxyflavone, 3′-hydroxy-4′,5′-dimethoxyflavone, 3′,4′,5′-trimethoxyflavone, and 3′-hydroxy-4′,5′-methylenedioxyflavone were found in the leaf exudate of the oxlip, Primula elatior (Primulaceae). The structures of flavones 1 and 2 were substantiated by 2D NMR spectroscopy.
2016 ◽
Vol 93
(4)
◽
pp. 699-703
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New bitter saponins from the bark ofColubrina elliptica:1H and13C assignments by 2D NMR spectroscopy
1993 ◽
Vol 31
(9)
◽
pp. 859-864
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1985 ◽
Vol 26
(9)
◽
pp. 1253-1256
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