sparteine/sophora

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Five New Alkaloids from the Roots of Sophora flavescens.

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Five new quinolizidine alkaloids, including three sparteine-type alkaloids (1 - 3) and two cytisine-type alkaloids (4 and 5), along with four known ones, were isolated from the roots of Sophora flavescens. Their structures were determined by extensive spectroscopic techniques including IR, UV, NMR,

[Constituents in the alkaloid fraction of Kushen decoction].

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OBJECTIVE To study the chemical constituents of the alkaloid fraction of Kushen decoction. METHODS Constituents were isolated by different kinds of column chromatography and their structures were elucidated with spectral methods. RESULTS Eight compounds were isolated and identified as matrine (I),

Alkaloid variation in New Zealand kōwhai, Sophora species.

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Alkaloid contents of leaf and seed samples of eight species of Sophora native to New Zealand, plus Sophora cassioides from Chile are reported. Fifty-six leaf and forty-two seed samples were analysed for alkaloid content by proton nuclear magnetic resonance spectroscopy, which showed major alkaloids

Sophalines E-I, Five Quinolizidine-Based Alkaloids with Antiviral Activities against the Hepatitis B Virus from the Seeds of Sophora alopecuroides.

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Five novel quinolizidine-based alkaloids (1-5) were obtained from the seeds of Sophora alopecuroides L. Compounds 1 and 2 are the first examples of sparteine-indolizine and matrine-indolizine alkaloids, respectively, whereas 3 and 4 are epimeric normatrine-julolidine alkaloids with unusual

Accumulation of quinolizidine alkaloids in plants and cell suspension cultures: genera lupinus, cytisus, baptisia, genista, laburnum, and sophora.

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The patterns of quinolizidine alkaloids in cell cultures of 10 species of Fabaceae were analyzed by high-resolution GLC and GLC-MS and compared with the alkaloids present in the leaves of the respective plants. Lupanine was produced in all 10 cell suspension cultures as the main alkaloid. It was

Phytochemical information and biological activities of quinolizidine alkaloids in Sophora: A comprehensive review.

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Quinolizidine alkaloids, a main existence form of alkaloid found in the genus Sophora, have been shown to have many pharmacological effects. This review aims to summarize the photochemical reports and biological activities of quinolizidine alkaloids in Sophora. The collected information suggested

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