Gallou, Fabrice (2022) Sustainable and Bench-Stable Photoactive Aqueous Nanoaggregates of Cu(II) for ppm Cu(I) Catalysis in Water. Advanced materials.

Abstract

The nanomaterial containing amphiphilic Cu(II) nanoparticles (NPs) stabilized with proline unit of the amphiphile SS-550-M is reported. The material is characterized using various spectroscopic techniques, such as XAS, HRTEM, NMR, UV-Vis, and IR spectroscopy. DFT calculations and NMR spectroscopic analyses support that the tertiary amide group in the amphilphile is a binding site to the NP surface. Upon light irradiation, Cu(II) changes to Cu(I) assisted by ligand to metal charge transfer process, genrating robust catalytically active species. The catalytic activity is investigated for domino azidation and 1,4-cycloaddition in water. The catalytic protocol is applicable on a wide variety of substrates and catalytic material is stable under ambient conditions for upto six months.

Item Type:	Article
Date Deposited:	19 Jul 2022 00:45
Last Modified:	19 Jul 2022 00:45
URI:	https://oak.novartis.com/id/eprint/46510