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Solid-phase Synthesis of [4.4] Spirocyclic Oximes
Published on: February 6, 2019
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Síntesis total modular en la química reticular
Liang Feng1, Kun-Yu Wang1, Xiu-Liang Lv1,2
1Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States.
Journal of the American Chemical Society
|January 24, 2020
Resumen
Este estudio presenta una estrategia de síntesis modular para la creación de materiales estructurales jerárquicos complejos mediante la vinculación de marcos orgánicos metálicos (MOF) y marcos orgánicos covalentes (COF). Este enfoque permite la alineación controlada y la ajustabilidad en materiales avanzados.
Área de la Ciencia:
- Ciencias de los materiales
- Química
- Nanotecnología
Sus antecedentes:
- La modularidad en la síntesis orgánica permite la construcción de diversos productos naturales a través de bloques de construcción y secuencias variadas.
- La síntesis modular actual se limita principalmente a los compuestos moleculares con enlaces covalentes.
- La química reticular ofrece un marco para ensamblar materiales a través de interacciones de enlace predecibles.
Objetivo del estudio:
- Ampliar el concepto de síntesis modular a los materiales del marco jerárquico.
- Hacer un puente entre las estructuras metalorgánicas (MOF) y las estructuras orgánicas covalentes (COF) de manera jerárquica.
- Para lograr la alineación controlada y la ajustabilidad en materiales de marco multicomponente.
Principales métodos:
- Desarrollo de una estrategia de síntesis modular para el montaje progresivo de bloques de construcción.
- Enlace jerárquico de MOF y COF a través de reacciones definidas por secuencia.
- Utilizando fuerzas de coordinación o de enlace covalente para dirigir secuencias de ensamblaje.
Principales resultados:
- Síntesis exitosa de estructuras jerárquicas de COF en MOF con arquitecturas complejas.
- Demostración de la alineación controlada del marco orgánico covalente (COF) dentro de los materiales compuestos.
- Gestión de la sintonizabilidad en la distribución espacial, la composición y la funcionalidad de los materiales marco.
Conclusiones:
- Este trabajo presenta la primera síntesis de compuestos COF@MOF y alineación controlada de COF.
- La estrategia de modularidad generalizable acelera el descubrimiento de materiales de marco multicomponentes.
- Este enfoque proporciona una ruta predecible a los materiales inteligentes con una mayor capacidad de ajuste.
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