Highly selective transfer hydrogenation of functionalised nitroarenes using cobalt-based nanocatalysts

Rajenahally V. Jagadeesh, Debasis Banerjee, Percia Beatrice Arockiam, Henrik Junge, Kathrin Junge, Marga Martina Pohl, Jörg Radnik, Angelika Brückner, Matthias Beller

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

130 Zitate (Scopus)

Abstract

Anilines are important feedstock for the synthesis of a variety of chemicals such as dyes, pigments, pharmaceuticals and agrochemicals. The chemoselective catalytic reduction of nitro compounds represents the most important and prevalent process for the manufacture of functionalized anilines. Consequently, the development of selective catalysts for the reduction of nitro compounds in the presence of other reducible groups is a major challenge and is crucial. In this regard, herein we show that the cobalt oxide (Co3O4-NGr@C) based nano-materials, prepared by the pyrolysis of cobalt-phenanthroline complexes on carbon constitute highly selective catalysts for the transfer hydrogenation of nitroarenes to anilines using formic acid as a hydrogen source. Applying these catalysts, a series of structurally diverse and functionalized nitroarenes have been reduced to anilines with unprecedented chemo-selectivity tolerating halides, olefins, aldehyde, ketone, ester, amide and nitrile functionalities.

OriginalspracheEnglisch
Seiten (von - bis)898-902
Seitenumfang5
FachzeitschriftGreen Chemistry
Jahrgang17
Ausgabenummer2
DOIs
PublikationsstatusVeröffentlicht - 1 Feb. 2015
Extern publiziertJa

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