[HTML][HTML] Isolation and characterisation of flavonoids from the leaves of medicinal plant Orthosiphon stamineus
MA Hossain, SMM Rahman - Arabian Journal of Chemistry, 2015 - Elsevier
Six flavonoid compounds were isolated from the leaves of the medicinal plant Orthosiphon
stamineus. On the basis of chemical and spectral analyses their structures were elucidated
as eupatorin, sinensetin, 5-hydroxy-6, 7, 3′, 4′-tetramethoxyflavone, salvigenin, 6-hydroxy-
5, 7, 4′-trimethoxyflavone and 5, 6, 7, 3′-tetramethoxy-4′-hydroxy-8-C-prenylflavone.
The last compound was isolated from this plant for the first time.
stamineus. On the basis of chemical and spectral analyses their structures were elucidated
as eupatorin, sinensetin, 5-hydroxy-6, 7, 3′, 4′-tetramethoxyflavone, salvigenin, 6-hydroxy-
5, 7, 4′-trimethoxyflavone and 5, 6, 7, 3′-tetramethoxy-4′-hydroxy-8-C-prenylflavone.
The last compound was isolated from this plant for the first time.
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