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Synthesis and Reaction Chemistry of Nanosize Monosodium Titanate
Published on: February 23, 2016
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Un reactivo de las sales de nitrido de titanio
Rick Thompson1, Chun-Hsing Chen, Maren Pink
1Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States.
Journal of the American Chemical Society
|May 27, 2014
Resumen
Los investigadores sintetizaron un raro complejo dimérico de nitruro de titanio a partir de un precursor de imido de titanio. Este estudio también detalla la formación de nuevos compuestos de imido de titanio que contienen aluminio y boro.
Área de la Ciencia:
- Química organometálica Química orgánica de los metales.
- Química Inorgánica La Química Inorgánica es la química inorgánica.
- Ciencia de los materiales Ciencia de los materiales.
Sus antecedentes:
- Los complejos de imido de titanio son precursores versátiles en la síntesis inorgánica.
- La síntesis de nitritos de titanio moleculares es un reto y está menos explorada.
- Los ligandos estéricamente exigentes como el (tBu) nacnac pueden estabilizar los centros metálicos reactivos.
Objetivo del estudio:
- Para sintetizar y caracterizar un raro complejo dimérico de nitruro de titanio.
- Para explorar la reactividad de un complejo de imido de titanio padre con reactivos de aluminio y boro.
- Para investigar la diversidad estructural de los compuestos titanio-nitrógeno.
Principales métodos:
- Deprotonación de un complejo de imido de titanio utilizando bencilo de potasio.
- Aislamiento y caracterización estructural del dímero de nitruro de titanio mediante cristalografía de rayos X.
- Reacción del complejo imido de titanio con electrófilos de aluminio y boro.
Principales resultados:
- Se sintetizó con éxito un raro nitruro de titanio dimérico molecular, {[K][(tBu) nacnac) TiN(Ntolyl2) ]}2, fue sintetizado con éxito.
- El complejo de imido de titanio padre produjo un adducto de aluminilimido-eterato, ((tBu) nacnac) TiN[AlMe2(OEt2) ](Ntolyl2), tras la reacción con un reactivo de aluminio.
- Un derivado de borilimido, ((tBu) nacnac) TiNBEt2(Ntolyl2), también se obtuvo del complejo imido progenitor.
Conclusiones:
- El complejo de imido de titanio padre sirve como un valioso precursor para sintetizar nitruro de titanio único y derivados de imido.
- El estudio amplía la química conocida de los enlaces múltiples titanio-nitrógeno.
- El volumen estérico del ligando (tBu)nacnac es crucial para estabilizar estos nuevos complejos de titanio.
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