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Isoquinolines from the Roots of Thalictrum flavum L. and Their Evaluation as Antiparasitic Compounds

Abstract :

Alkaloids from Thalictrum flavum L. (Ranuculaceae) growing in the Loire valley (France) were isolated and evaluated for their antiplasmodial and leishmanicidal activities. Berberine was identified as a major component but its analogue, pseudoberberine, was isolated for the first time from this plant. As far as bisbenzylisoquinolines are concerned, thalfoetidine was also isolated and, besides, its nor- derivative, northalfoetidine, was identified as a new compound. Previously isolated alkaloids from Thalictrum species such as northalidasine, northalrugosidine, thaligosidine, thalicberine, thaliglucinone, preocoteine, O-methylcassythine and armepavine were newly described in the roots of T. flavum. Tertiary isoquinolines, and particularly bisbenzylisoquinolines, were found to be leishmanicidal against L. major. Thalfoetidine appeared as the most potent but its new nor- derivative northalfoetidine, as well as northalidasine, were of particular interest due to the fact that their potential leishmanicidal activity was not associated to a strong cytotoxicity.

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https://hal.univ-angers.fr/hal-03247823
Contributeur : Okina Université d'Angers <>
Soumis le : jeudi 3 juin 2021 - 11:41:15
Dernière modification le : vendredi 4 juin 2021 - 03:15:52
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Jacqueline Ropivia, Séverine Derbré, Caroline Rouger, Fabrice Pagniez, Patrice Le Pape, et al.. Isoquinolines from the Roots of Thalictrum flavum L. and Their Evaluation as Antiparasitic Compounds. Molecules, MDPI, 2010, 15 (9), pp.6476-6484. ⟨10.3390/molecules15096476⟩. ⟨hal-03247823⟩

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