ervatamia yunnanensis/silika kemia

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NakalaMajaribio ya klinikiHati miliki

Chagua aina ya aina

3 matokeo

[Studies on chemical constituents of Ervatamia hainanensis].

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala

Ingia / Ingia

OBJECTIVE To study the chemical constituents of Ervatamia hainanensis. METHODS The compounds were separated and purified by column chromatography with silica gel, and identified by IR, MS, NMR and 2D-NMR. RESULTS Five compounds were identified as I (isolariciresinol 9-O-beta-D-glucopyranoside), II

[Study on chemical constituents in rhigome of Ervatamia hainanensis].

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala

Ingia / Ingia

OBJECTIVE To investigate the chemical constituents of the rhizome of Ervatamia hainanensis. METHODS The solvent extraction and silica column chromatography were used to separate the chemical constituents, and their structures were identified by physico chemical properties and spectra

[Studies on alkaloids from Ervatamia pandacaqui].

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Ingia / Ingia

To inverstigate the alkaloids from the twigs and leaves of Ervatamia pandacaqui, eleven known alkaloids were isolated by silica gel, Sephadex LH-20, and ODS column chromatography, as well as RP-HPLC. Their structures were elucidated by UV, IR, MS, and NMR spectral data as coronaridine (1),

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