Borophosphate glass as an active media for CuO nanoparticle growth: an efficient catalyst for selenylation of oxadiazoles and application in redox reactions

Abstract

Herein, we report the preparation of CuO@ borophosphate nanoparticles (CuOnano@glass) and their wide catalytic applications. The glass annealing, under a controlled atmosphere, enables the growth of copper nanoparticles on the glass surface (not within) by an uncommon bottom-up process. Following the thermal annealing of metallic nanoparticles under air atmosphere, supported copper oxide nanoparticles CuONPs on the glass surface can be obtained. The approach enables the glass matrix to be explored as a precursor and a route for the synthesis of supported copper-based nanoparticles in a solvent-free process without immobilization steps or stabilizing agents. In order to demonstrate the wide synthetic utility of this CuONPs glass-based catalyst, one-pot three-component domino reactions were performed under an air atmosphere, affording the desired selenylated oxadiazoles in good to excellent yields. We also extended the application of these new materials as a glass-based catalyst in the phenol hydroxylation and the reduction of 4-nitrophenol.

Recent advances in non-noble metal-based oxide materials as heterogeneous catalysts for C–H activation

“…104 Scheide et al demonstrated the direct selenylation of oxadiazoles with elemental selenide, aryl halide, and borophosphate glass-modified CuO nanostructure (CuO@glass) as the catalyst. 105 The reaction proceeded via the oxidative addition of selenide to the CuO@glass catalyst, which becomes the active species in the selenylation reaction.…”

Selenylated Imidazo[1,2-a]pyridine Induces Cell Senescence and Oxidative Stress in Chronic Myeloid Leukemia Cells

“…Thus, considering our continuous interest in the synthesis of organoselenium compounds with biological relevance and functionalization of IPs [ 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ], the main goal of the present research is the quest for new drugs for the treatment of CML. Considering that oxidative stress, induction of apoptosis, and senescence are crucial processes involved in the response of cancer cells to therapy, we used IP and its chalcogen derivatives in leukemic cell lines to investigate their antitumor effects with an interest in potential chemotherapeutic activity against the CML.…”

Synergetic tellurium influence on aluminium borophosphate glass material for structural and antimicrobial activities

“…[33] Glass-based products have become signi cantly important in our lives as a result of the well-established route for glass synthesis. [34] Antibiosis of harmful microbes with Al 2 O 3 NPs suggests their potential medical utility. [35] Bioactive glass can also be loaded with therapeutic, anti-bacterial, or anti-cancer compounds, allowing it to regenerate bone and soft tissue while also providing enhanced treatment for bacterial infection or cancer.…”