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Síntesis asimétrica del diterpeno antiviral Wickerol A

Shu-An Liu¹, Dirk Trauner^1,2

¹Department of Chemistry and Center for Integrated Protein Science, Ludwig-Maximilian University Munich , Butenandtstraße 5-13, 81377 Munich, Germany.

Journal of the American Chemical Society

|June 20, 2017

Resumen

Los investigadores sintetizaron Wickerol A, un diterpeno que muestra una actividad significativa contra el virus de la gripe H1N1. Esta molécula compleja

Área de la Ciencia:

Química orgánica
Química medicinal
Virología

Sus antecedentes:

Wickerol A es un diterpeno único con actividad demostrada del virus de la gripe H1N1.
Su compleja estructura tetraciclica presenta tres carbonos cuaternarios y conformaciones de anillos tensos.

Objetivo del estudio:

Para desarrollar una síntesis asimétrica para Wickerol A.
Explorar estrategias sintéticas para diterpenos complejos con propiedades antivirales.

Principales métodos:

Utilizó una reacción de Jung Diels-Alder como un paso clave.
Se empleó alquilación intramolecular para construir el sistema de anillos fundidos.
Adición conjugada incorporada para ensamblar el marco molecular.

Principales resultados:

Se logró con éxito una síntesis asimétrica de Wickerol A.
Superó importantes desafíos estéricos inherentes a la estructura de la molécula.
Se aisló un intermediario inesperado de ciclopropano, proporcionando información sobre los mecanismos de reacción.

Conclusiones:

La vía sintética desarrollada es eficaz para la construcción de Wickerol A.
La síntesis pone de relieve la viabilidad de crear diterpenos complejos con aplicaciones terapéuticas potenciales.
El descubrimiento del intermediario ciclopropano ofrece información mecanicista valiosa.

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