Journal
CATALYSIS LETTERS
Volume 153, Issue 3, Pages 805-813Publisher
SPRINGER
DOI: 10.1007/s10562-022-04010-6
Keywords
Magnetic heterogeneous copper catalyst; N-arylation; 2-Amino-N-phenylbenzamide; Chan-Evans-Lam coupling reaction
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Cu@Phen@MGO catalyst, synthesized through functionalization of magnetic graphene oxide, demonstrates high efficiency and stability in the N-arylation reaction. It can be easily recovered, reused multiple times without activity loss.
Cu@Phen@MGO catalyst was synthesized by the functionalization of magnetic graphene oxide (MGO) with phenanthroline type ligand. The catalyst was characterized by several characterization methods and used as an effective magnetic heterogeneous nanocatalyst for the N-arylation of 2-amino-N-phenylbenzamide. Cu@Phen@MGO catalyst showed very good efficiency in base-free Chan-Evans-Lam coupling of arylboronic acid with 2-amino-N-phenylbenzamide at room temperature. The products were obtained in high isolated yields. Easy recoverability of the catalyst by an external magnet, reusability up to six runs without significant loss of activity, and its well stability during the reaction are among the other highlights of this catalyst. [GRAPHICS] .
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