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dihydrosanguinarine/corydalis
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[Isoquinoline alkaloids from Corydalis thyrsiflora prain].
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From the whole plant of Corydalis thyrsiflora Prain, an herbal medicine used in Tibet, 12 isoquinoline alkaloids were isolated and identified as protopine, dl-tetrahydrocoptisine, l-sinactine, l-cavidine, d-bicuculline, d-corlumine, sibiricine, ochotensine, dihydrosanguinarine,
[Alkaloid constituents of Corydalis adunca].
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OBJECTIVE
To study the alkaloid component of Corydalis adunca Maxim.
METHODS
The constituents were isolated by chromatographic methods, their structures were elucidated by spectroscopic evidences.
RESULTS
Three compounds were purified and their structures were identified, they were identified as
[Studies on the alkaloids from the herb of Corydalis adunca].
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OBJECTIVE
To study the alkaloid constituents of Corydalis adunca.
METHODS
The constituents were isolated on silica gel column and their structures were elucidated by IR, NMR, MS data.
RESULTS
Eight alkaloid compounds were isolated from alcohol extracts of the herb of C. adunca, and identified as
Benzophenanthridine alkaloids from Corydalis flabellata.
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Four new alkaloids, characterized as 6-(2-hydroxyethyl)-5,6-dihydrosanguinarine (1), 6-acetonyl-5,6-dihydrosanguinarine (2), N-methyl-2,3,7,8-tetramethoxy-5,6-dihydrobenzophenanthridine-6-ethanoic acid (3), N-methyl-2,3,7,8-tetramethoxy-6-oxo-5,6-dihydrobenzophenanthridine (4), together with
Chemical Study of Alkaloids from Corydalis bungeana.
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From the herbs of CORYDALIS BUNGEANA, 16 alkaloids were isolated; 3 of them were identical with acetylcorynoline ( 2), corynoline ( 5), protopine ( 9), which had been obtained before from this plant. A further 11 known alkaloids: dihydrosanguinarine ( 1), acetylisocorynoline ( 3), 11-epicorynoline (
Minor Alkaloids of Corydalis bulbosa, Structure of Bulbodione.
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As a result of the reinvestigation of the alkaloid content of CORYDALIS BULBOSA (L.) DC. (Papaveraceae), growing in Bulgaria, a new 8,11-dioxoaporphine alkaloid, named bulbodione, together with dihydrosanguinarine, dehydroglaucine, (+/-)-sinactine, glaucinone and bicucullinine were isolated. These
The alkaloids of Corydalis meifolia.
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Six tetrahydroprotoberberines, (+)-sinactine, apocavidine, stylopine, (+)-cavidine, cheilanthifoline, and dehydrocavidine; two spirobenzylisoquinolines, yenhusomine and yenhusomidine; one phthalideisoquinoline, corlumine; one benzophenanthridine, dihydrosanguinarine and protopine, have been isolated
The alkaloids of Corydalis meifolia.
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Six tetrahydroprotoberberines, (+)-sinactine, apocavidine, stylopine, (+)-cavidine, cheilanthifoline, and dehydrocavidine; two spirobenzylisoquinolines, yenhusomine and yenhusomidine; one phthalideisoquinoline, corlumine; one benzophenanthridine, dihydrosanguinarine and protopine, have been isolated
New tetrahydroprotoberberine N-oxide alkaloids and cytotoxic constituents of Corydalis tashiroi.
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Three new tetrahydroprotoberberine N-oxide alkaloids, (-)- cis-corydalmine N-oxide, (-)- trans-corydalmine N-oxide, and (-)- trans-isocorypalmine N-oxide, along with three known benzo[ C]phenanthridine alkaloids, norsanguinarine, dihydrosanguinarine, and oxysanguinarine, six known berberine
[Identification and attribution of chemical compounds of Pudilan Antiphlogistic Oral Liquid].
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UPLC-ESI-Orbitrap-MS/MS was used to analyze,identify and attribute the chemical constituents in Pudilan Antiphlogistic Oral Liquid. The analysis was performed on an Agilent Eclipse XDB-C18(4.6 mm × 150 mm,3.5 μm) with a gradient mobile phase of methanol-0.1% formic solution system at the flow rate
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