Supramolecular ensemble of PBI derivative and copper nanoparticles: a light harvesting antenna for photocatalytic C(sp2)–H functionalization. Issue 21 (26th August 2016)

• Record Type: Journal Article
• Authors: Kaur, Sandeep; Kumar, Manoj; Bhalla, Vandana
• Is Part Of: Green chemistry. Volume 18:Issue 21(2016)
• Page Start: 5870
• Page End: 5883
• Publication Date: 2016-08-26
• Subjects: Environmental chemistry -- Industrial applications -- Periodicals; Environmental management -- Periodicals; 660
• DOI: 10.1039/c6gc01728b
• Languages: English
• ISSNs: 1463-9262

Abstract

Abstract : A supramolecular ensemble of triazole-appended perylene bisimide (PBI) derivative4 and in situ generated copper nanoparticles (CuNPs) serves as a light-harvesting antenna in photocatalytic C(sp 2 )–H alkynylation and amination reactions of arenes under mild and eco-friendly conditions. Abstract : Supramolecular aggregates of triazole-appended perylene bisimide (PBI) derivative3 served as reactors for the generation of copper nanoparticles (CuNPs). During the reduction process, these aggregates were oxidized to triazole N -oxide species4 . Interestingly, the in situ generated CuNPs, in combination with oxidized species4 (supramolecular ensemble4 :CuNPs), exhibited excellent photocatalytic efficiency in C(sp 2 )–H alkynylation and amination reactions of arenes under mild and eco-friendly conditions (inexpensive catalyst, room temperature, mixed aqueous media, aerial conditions and visible light irradiation).