Aminación de Buchwald-Hartwig

ArBr + R2NH → ArNR2 + HBr

Descripción general

The Buchwald-Hartwig reaction couples aryl halides with amines using a palladium catalyst to form aryl C-N bonds. This transformation, developed independently by Stephen Buchwald and John Hartwig in the 1990s, solved a long-standing challenge in organic chemistry. The reaction tolerates diverse functional groups.

Ejemplo cotidiano

Many modern pharmaceuticals contain aryl amine bonds that were formed using this palladium-catalyzed coupling reaction.

Importancia industrial

La aminación de Buchwald-Hartwig se utiliza ampliamente en la química de procesos farmacéuticos y en la ciencia de materiales para semiconductores orgánicos y materiales para OLED.

Preguntas frecuentes

What is the equation for Aminación de Buchwald-Hartwig?
The balanced equation is: ArBr + R₂NH → ArNR₂ + HBr.
What type of reaction is Aminación de Buchwald-Hartwig?
Aminación de Buchwald-Hartwig is a orgánica reaction.
Is Aminación de Buchwald-Hartwig exothermic or endothermic?
Aminación de Buchwald-Hartwig is exothermic (releases energy). The enthalpy change (ΔH) is -25.0 kJ/mol.
What conditions are needed for Aminación de Buchwald-Hartwig?
This reaction requires a catalyst (Pd/BINAP).