Berberis alkaloids XXXIX. New alkaloids fromB. densiflora |
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| Authors: | I. I. Khamidov S. F. Aripova M. V. Telezhenetskaya A. Karimov I. Dzhenberov |
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| Affiliation: | (1) Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Chardzhou;(2) Andizhan State Medical Institute, Chardzhou;(3) Turkmen State Pedagogic Institute, Chardzhou |
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| Abstract: | The alkaloid composition of the leaves ofBerberis densiflora has been studied. Berberine,  -allocryptopine. oxyacanthine, glaucine, thalicmidine, isocorydine, O-methylcorypalline and the new bases densinine and densiberine have been isolated. The structures of the new alkaloids have been established by a study of spectral characteristics and chemical transformations. This is the first time that any of the known alkaloids, apart from berberine, have been isolated from a plant of this pecies and it is the first time that -allocryptopine and O-methylcorypalline have been isolated from theBerberis genus. |
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