Browsing Producción científica by Author "Weber, Jean-Frédéric"

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    • Alkaloidal content of four berberis species structure of berberilaurine, a neu bisbenzytetrahydroisoquinoline 

      Weber, Jean-Frédéric; Le Ray, Anne-Marie; Bruneton, Jean (Journal of Natural Products, 1989)
      ABSTRACT. From Rerberis boliviana, Berberis bumeliaefolia, Berberis laurina, and Berberis pancidentata, twenty-one isoquinoline alkaloids. B. laurina yielded a new compound, berberilaurine (1), a bisbenzilotetrahudroisoquinoline ...

    • Bis-benzylisoquinoline alkaloids from abuta pahni 

      Duté, Pascale; Weber, Jean-Frédéric; Fournet, Alain; Cavé, Adrien; Bruneton, Jean-Michel (Phytochemistry; Instituto Boliviano de Biología de Altura. Anuario 1987, 1987)
      Abstract. From the stems of Abicta pcthrii, eight isoquinoline alkaloids were isolated and identified by spectroscopic methods and chemical correlations. Three of the bis-benzylisoquinoline alkaloids are new and were ...