ALDEHIDOS_Y_CETONAS_NOMENCLATURA_PREPARACION_Y_REACCIONES_IBQ_2-02.pptx - UNIDAD 2 PARTE 2 Aldeh\u00eddos Cetonas \u00c1cidos carbox\u00edlicos Derivados de \u00e1cidos

ALDEHIDOS_Y_CETONAS_NOMENCLATURA_PREPARACION_Y_REACCIONES_IBQ_2-02.pptx

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UNIDAD 2 PARTE 2 Aldehídos Cetonas Ácidos carboxílicos Derivados de ácidos carboxílicos
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PREPARACIÓN DE ALDEHÍDOS Oxidación de alcoholes 1rios Oxidación de metilbencenos Ozonólisis
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PREPARACIÓN DE ALDEHÍDOS 1.- OXIDACIÓN DE ALCOHOLES 1RIOS PCC El clorocromato de piridinio (PCC), disuelto en diclorometano , es un oxidante suave que permite transformar alcoholes primarios en aldehídos , sin que ocurra la sobreoxidación a ácidos carboxílicos.
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PREPARACIÓN DE ALDEHÍDOS 1.- OXIDACIÓN DE ALCOHOLES 1RIOS MECANISMO PCC
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PREPARACIÓN DE ALDEHÍDOS AROMÁTICOS 2.- OXIDACIÓN DE METILBENCENOS EJEMPLO p -bromotolueno p -bromobenzaldehído CaCO 3 CaCO 3
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PREPARACIÓN DE ALDEHÍDOS 3. OZONÓLISIS
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3. OZONÓLISIS
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PREPARACIÓN DE CETONAS Oxidación de alcoholes secundarios Ozonólisis Acilación Friedel-Crafts
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PREPARACIÓN DE CETONAS 1. OXIDACIÓN DE ALCOHOLES SECUNDARIOS CrO 3 K 2 Cr 2 O 7 La oxidación supone la pérdida de dos hidrógenos del alcohol. Los alcoholes terciarios no pueden oxidar puesto que carecen de hidrógeno sobre el carbono. KMnO 4 K 2 CrO 7,
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PREPARACIÓN DE CETONAS 2. OZONÓLISIS EJEMPLO
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  • Fall '15
  • Monzon
  • Oxígeno, Hidrógeno, Nucleófilo, Cetona, Reactivo de Grignard

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