Abstract
By utilizing hydrazine (N2H4) as the nitrogen source in the presence of a hydroxyapatite-supported Pd nanoparticle catalyst (Pd/HAP), various primary anilines can be selectively synthesized from cyclohexanones via acceptorless dehydrogenative aromatization. The strong nucleophilicity of N2H4 and the stability of the hydrazone intermediates can effectively suppress the formation of the undesired secondary aniline byproducts.
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