Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 5, Issue 1, Pages 648-657Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.6b02013
Keywords
Plant extract; CuO nanoparticle; Green nanotechnology; Cross-coupling; C-N bond formation
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Funding
- UGC, New Delhi
- UGC, New Delhi, India [43-180/2014(SR)]
- DST, New Delhi, India [SB/FT/CS-148/2014]
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We demonstrate here a green and efficient biogenic synthesis of copper(II) oxide nanoparticles using easily available Ocimum Sanctum leaf extract at room temperature. The biogenic copper oxide nanoparticles have shown excellent activity on N-arylation of cyclic and acyclic amides with aryl and styryl halides. Broad substrate scope, excellent functional group tolerance, and high yields were observed. This protocol is also extended for the N-arylation of substituted aryl amines and nitrogen heterocycles including pyrole, indole, imidazole, benzimidazole, and carbazole. The catalyst was characterized by EPR, UV, FT-IR, BET, AAS, TGA analysis, XPS, XRD, and HR-TEM.
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