Simple reversible fixation of a magnetic catalyst in a continuous flow system: ultrafast reduction of nitroarenes and subsequent reductive amination using ammonia borane?

Catalysis Science & Technology Pub Date: 2019-12-09 DOI: 10.1039/C9CY02021G

Abstract

Continuous reductive amination of aldehydes with nitroarenes over a Pd–Pt–Fe3O4 catalyst was performed. We used NH3BH3 as not only a hydrogen source for nitro reduction, but also a reductant for imine reduction. Secondary aromatic amines were obtained in the continuous flow reaction in good to excellent yields.

Graphical abstract: Simple reversible fixation of a magnetic catalyst in a continuous flow system: ultrafast reduction of nitroarenes and subsequent reductive amination using ammonia borane
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