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A General Catalyst Based on Cobalt Core–Shell Nanoparticles for the Hydrogenation of N‐Heteroarenes Including Pyridines
Author(s) -
Murugesan Kathiravan,
Chandrashekhar Vishwas G.,
Kreyenschulte Carsten,
Beller Matthias,
Jagadeesh Rajenahally V.
Publication year - 2020
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.202004674
Subject(s) - catalysis , cobalt , dehydrogenation , quinoxaline , chemistry , nanoparticle , pyridine , indole test , combinatorial chemistry , acridine , organic chemistry , nanotechnology , materials science
Herein, we report the synthesis of specific silica‐supported Co/Co 3 O 4 core–shell based nanoparticles prepared by template synthesis of cobalt‐pyromellitic acid on silica and subsequent pyrolysis. The optimal catalyst material allows for general and selective hydrogenation of pyridines, quinolines, and other heteroarenes including acridine, phenanthroline, naphthyridine, quinoxaline, imidazo[1,2‐a]pyridine, and indole under comparably mild reaction conditions. In addition, recycling of these Co nanoparticles and their ability for dehydrogenation catalysis are showcased.

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