dimethoxy porphyrins

Antidesma ghaesembilla is an important medicinal and food plant in many Asian countries. Ten substances could be isolated from the dichloromethane and methanol extract: sitostenone (3), daucosterol (4), chavibetol (5), asperphenamate (6), protocatechuic acid (7), vanillic acid-4-O-β-D-glucoside (8), 1-O-β-D-glucopyranosyl-3-O-methyl-phloroglucinol (9), and aristolic acid II-8-O-β-D-glucoside (1...

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Isolation of five new flavonoids from Melicope triphylla.

Journal: :Chemical & pharmaceutical bulletin 2012

Matsutake Higa Megumi Imamura Kazuhito Ogihara Toshimasa Suzuka

Five new flavonoids, 5,8-dihydroxy-3,7-dimethoxy-3',4'-methylenedioxyflavone (1), 7-hydroxy-3,5-dimethoxy-3',4'-methylenedioxyflavone (2), 7-(2,3-dihydroxy-3-methylbutoxy)-3,5-dimethoxy-3',4'-methylenedioxyflavone (3), 7-(2,3-dihydroxy-3-methylbutoxy)-3,3',4',5-tetramethoxyflavone (4), and 7-(2,3-dihydroxy-3-methylbutoxy)-3,3',4',5,8-pentamethoxyflavone (5), were isolated from the leaves of Mel...

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6,7-Dimethoxy-1,4-anthraquinone

Journal: :Acta Crystallographica Section E Structure Reports Online 2008

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3,4-Dimethoxy-4′-methylbiphenyl

Journal: :Acta Crystallographica Section E Structure Reports Online 2013

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