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Dicarboxilación selectiva en el sitio catalizada de 1,3-dienos con CO2
Andreu Tortajada1, Ryo Ninokata1, Ruben Martin1,2
1Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain.
Journal of the American Chemical Society
|January 30, 2018
Resumen
Este estudio introduce un nuevo método catalítico para convertir eficientemente el dióxido de carbono (CO2) y los 1,3-dienos en ácidos adípicos. El proceso es simple, selectivo y funciona bajo condiciones suaves utilizando materiales fácilmente disponibles.
Área de la Ciencia:
- Química orgánica
- Catálisis
- Química sustentable
Sus antecedentes:
- El ácido adípico es un producto químico industrial clave, utilizado principalmente en la producción de nylon.
- Las rutas de síntesis actuales para el ácido adípico a menudo implican condiciones adversas y materias primas a base de petróleo.
- El desarrollo de métodos sostenibles para la síntesis de ácido adípico a partir de recursos abundantes como el CO2 es un objetivo importante.
Objetivo del estudio:
- Desarrollar un nuevo protocolo catalítico para la incorporación directa de múltiples moléculas de dióxido de carbono (CO2) en 1,3-dienes.
- Para sintetizar derivados del ácido adípico de materias primas fácilmente disponibles como el butadieno y el isopreno.
- Establecer un método selectivo del sitio, quimioselectivo y regioselectivo en condiciones suaves.
Principales métodos:
- Se utilizó un sistema catalítico para la carboxilación selectiva del sitio de 1,3-dienes.
- Dióxido de carbono (CO2) utilizado como materia prima C1 bajo presión atmosférica (1 atm).
- Investigó el uso de butadieno y isopreno a granel como materiales de partida.
Principales resultados:
- Se ha logrado la incorporación catalítica de múltiples moléculas de CO2 en 1,3-dienes.
- Demostró una excelente quimioselectividad y regioselectividad en la reacción.
- El protocolo funciona bajo condiciones suaves y es fácil de realizar.
- Se han utilizado con éxito materias primas a granel de butadieno e isopreno.
Conclusiones:
- Se ha establecido un método nuevo, eficiente y selectivo para la síntesis de precursores de ácido adípico a partir de CO2 y 1,3-dienos.
- Este protocolo ofrece una alternativa sostenible para la síntesis de ácido adípico, utilizando CO2 y dienes comunes.
- Las condiciones suaves y la facilidad de ejecución hacen que este método sea atractivo para un mayor desarrollo y una posible aplicación industrial.
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