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Formación de un derivado del 1,4-diamino-2,3-disila-1,3-butadieno derivado del 1,4-diamino-2,3-disila-1,3-butadieno

Kartik Chandra Mondal¹, Herbert W Roesky, Birger Dittrich

¹Institut für Anorganische Chemie, Georg-August-Universität , Tammannstraße 4, 37077 Göttingen, Germany.

Journal of the American Chemical Society

|October 19, 2013

Resumen

Los investigadores sintetizaron un derivado estable del 1,4-diamino-2,3-disila-1,3-butadieno. Los estudios teóricos revelaron coordinación piramidal de silicio y enlaces intermedios silicio-carbono en este nuevo compuesto organosilicio.

Área de la Ciencia:

Química del organosilicio Química del organosilicio
Síntesis Inorgánica y Síntesis Inorgánica.
Química computacional es la química computacional.

Sus antecedentes:

Los derivados del 1,4-diamino-2,3-disila-1,3-butadieno son de interés en la ciencia de los materiales.
La síntesis de compuestos estables que contienen silicio con enlaces únicos es un desafío clave.

Objetivo del estudio:

Para sintetizar y caracterizar un nuevo derivado de 1,4-diamino-2,3-disila-1,3-butadieno.
Para investigar las propiedades estructurales y electrónicas del compuesto sintetizado.

Principales métodos:

Síntesis a través de la reducción de un precursor silileno-aducto utilizando KC8.
Caracterización de la estabilidad del compuesto en condiciones inertes.
Estudios teóricos (química computacional) para analizar la geometría molecular y los enlaces.

Principales resultados:

Síntesis exitosa del compuesto (Me2-cAAC) 2 ((Si2Cl2), estable durante 3 meses a 0 °C.
Los cálculos teóricos indicaron una coordinación piramidal en los átomos de silicio.
El análisis reveló ángulos diédricos retorcidos, lo que sugiere un carácter intermedio de enlace Si-C.

Conclusiones:

El nuevo derivado de disila-butadieno es sintéticamente accesible y exhibe una notable estabilidad.
La estructura del compuesto presenta una coordinación única de silicio piramidal y una unión Si-C no estándar.
Este trabajo amplía el alcance de la química del silicio orgánico y proporciona información sobre los sistemas insaturados basados en silicio.

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