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Cuatro reacciones covalentes dinámicas simultáneas. Prueba experimental de la ortogonalidad

Helen M Seifert¹, Karina Ramirez Trejo¹, Eric V Anslyn¹

¹Department of Chemistry, University of Texas at Austin , Austin, Texas 78712, United States.

Journal of the American Chemical Society

|August 16, 2016

Resumen

Se encontró que cuatro reacciones covalentes dinámicas eran ortogonales y reversibles en condiciones idénticas. Esto permite reacciones simultáneas de una sola olla, lo que permite la formación programada de conjuntos moleculares complejos.

Área de la Ciencia:

Química
Ingeniería Química
Ciencias de los materiales

Sus antecedentes:

La química covalente dinámica (DCC) es crucial para crear sistemas moleculares complejos.
Las reacciones DCC existentes a menudo sufren de reactividad cruzada y requieren condiciones variadas, lo que limita su uso simultáneo.

Objetivo del estudio:

Identificar y caracterizar las reacciones covalentes dinámicas que son ortogonales y funcionan en condiciones idénticas.
Demostrar la viabilidad de aplicaciones simultáneas de estas reacciones ortogonales.

Principales métodos:

Investigó cuatro reacciones covalentes dinámicas para la reversibilidad y la compatibilidad.
Se utilizó la espectroscopia de resonancia magnética nuclear de protones ((1) H) para experimentos de intercambio.
Se ha empleado la desconvolución computacional de espectros de RMN (1) H para analizar mezclas complejas.

Principales resultados:

Se identificaron cuatro reacciones covalentes dinámicas que se producen de manera reversible en condiciones idénticas.
Se demostró la ausencia de reactividad cruzada entre estas cuatro reacciones.
Se ha confirmado la progresión independiente de la reacción en mezclas de un solo recipiente mediante análisis espectral.

Conclusiones:

Desarrolló un conjunto de reacciones covalentes dinámicas ortogonales adecuadas para la síntesis simultánea de una vasija.
Esta ortogonalidad permite la formación controlada y preprogramada de complejos conjuntos termodinámicos.
Abre el camino para aplicaciones avanzadas en química supramolecular y diseño de materiales.

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