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Alcaloides bencilisoquinolínicos del tallo de piper augustum rudge

Authors: Delgado A., Wilman; Avella M., Eliseo; P. de Díaz, Aura M.;

Alcaloides bencilisoquinolínicos del tallo de piper augustum rudge

Abstract

Del extracto etanólico del tallo de P. augustum Rudge se aislaron: 3beta-hidroxi- 24-etil-delta5.22colestadieno (estigmasterol) I ; l,2-metilendioxi-6-metil-4H-dibenzo(deg) quinolina-4,5(6H)diona (Cepharadione A) II; lactama del ácido lO-amino-3,4- dimetoxifenantreno-1-carboxílico (Cepharanone B) n i y el nuevo compuesto natural: lactama del ácido N-metil-lO-amino- 4-hidroxi-2,3-dimetoxifenantreno-1 –carboxílico IV, Todos los compuestos fueron identificados mediante técnicas espectroscópicas (EM, RMN 'H y "C, IR y UV) y comparación con datos reportados en la literatura; adicionalmente I y II fueron identificados por comparación con muestras auténticas (CCF, pf, y pf, mixto). El extracto etanólico del tallo de Piper augustum Rudge presentó una moderada actividad biológica (DL50 = 350 ppm) según el ensayo de mortalidad de Artemia salina Leach (Brine Shrimp Lethality).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average