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- Title
A Schiff-Base Modified Pt Nano-Catalyst for Highly Efficient Synthesis of Aromatic Azo Compounds.
- Authors
Teng, Yanyan; Wang, Xinkui; Wang, Min; Liu, Qinggang; Shao, Yuqing; Li, Haomeng; Liang, Changhai; Chen, Xiao; Wang, Huilong
- Abstract
A Schiff-base modified Pt nano-catalyst was prepared via one-pot aldimine condensation and then impregnation-reduction of a platinum precursor, in which the Pt nanoparticles (NPs) with an average size of 2.3 nm were highly dispersed on the support. The as-prepared catalyst exhibited excellent activity and selectivity in the hydrogenation coupling synthesis of aromatic azo compounds from nitroaromatic under mild conditions. The strong metal–support interaction derived from the coordination of nitrogen sites on Schiff-base to Pt NPs enables stabilizing the Pt NPs and achieving the catalytic recyclability. The scheme can also tolerate various functional groups and offer an efficient method for the green synthesis of aromatic azo compounds.
- Subjects
AZO compound synthesis; AZO compounds; PLATINUM catalysts; NITROAROMATIC compounds; FUNCTIONAL groups
- Publication
Catalysts (2073-4344), 2019, Vol 9, Issue 4, p339
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal9040339