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Preparation of Silver-Palladium Alloyed Nanoparticles for Plasmonic Catalysis under Visible-Light Illumination
Published on: August 18, 2020
Ru(II)-Catalyzed Visible-Light-Promoted ortho C(Sp2)-H Bond Activation of Benzamides and Nicotinamides at Room
Bishal Bhattacharyya1, Swadhin Chetia1,2, Dipankar Nath1
1Department of Chemistry, Dibrugarh University, Dibrugarh, Assam 786004, India.
Abstract:
A room-temperature ortho C(sp2)-H bond activation was achieved using Ru(II) catalyst in the presence of visible light without additional photocatalyst. A wide variety of functional groups of benzamide and nicotinamide demonstrated the suitability of ruthenium-catalyzed C-H activation protocol. The radical trap experiment confirms that the aryl diazonium salts were the supplier of aryl radicals, which later react with Ru metallacycle to yield the arylated product. Several studies including deuterium exchange study and on/off experiments provide prominent mechanistic evidence for the protocol.
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