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- Title
Switchable Access to Amines and Imines from Reductive Coupling of Nitroarenes with Alcohols Catalyzed by Biomass-Derived Cobalt Nanoparticles.
- Authors
Song, Tao; Duan, Yanan; Chen, Xiufang; Yang, Yong
- Abstract
Cobalt nanoparticles modified with N-doped hierarchical porous carbon derived from biomass are found to be a highly efficient, reusable heterogeneous catalyst for the coupling of nitroarenes with alcohols, selectively affording imines and amines via the borrowing hydrogen strategy for the first time. The product selectivity between imine and amine may be precisely tuned by simple alteration of the reaction conditions without changing the catalyst in one reaction system. In this study, a broad set of complex imines and amines was successfully synthesized in good to high yields with various functional groups tolerated for both nitroarenes and alcohols, highlighting the potentially practical utility of the protocol. This heterogeneous catalyst can be easily removed from the reaction medium by external magnet and can be reused at least four times without significant loss in activity and selectivity.
- Subjects
NITROAROMATIC compounds; IMINES; AMINES; HETEROGENEOUS catalysts; COBALT; ALDIMINES
- Publication
Catalysts (2073-4344), 2019, Vol 9, Issue 2, p116
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal9020116