Hybrid Quinoline Telluroether Ligand Derived Copper and Silver Complexes: Synthesis, Structural and Electronic Properties was written by Raju, Saravanan;Singh, Harkesh B.;Kumar, Sangit. And the article was included in European Journal of Inorganic Chemistry in 2022.Reference of 34946-82-2 This article mentions the following:
The tetradentate organotelluroether (C9H6NTe)2CH2 ligand was synthesized and its coordination behavior with a stoichiometric amount of Cu(II) and Ag(I) perchlorate and triflate salts was exptl. studied. The isolated ligand and metal complexes were characterized by multinuclear (1H, 13C, 125Te) NMR spectroscopy, single crystal x-ray diffraction, and DFT calculations The x-ray anal. revealed the formation of self-assembled bimetallic complexes with the mol. formula of 2[M(C9H6NTe)2CH2]+ X– [M+ = Cu, Ag; X– = ClO4, CF3SO3]. Further, it was noticed that the metal ions act as a bridging unit to form cationic 8-membered metallamacrocycles in the chair conformation. The atoms in mol. (AIM) and noncovalent interactions (NCI) anal. display a weak intramol. Te···Te interaction. Natural bond orbital (NBO) calculations suggest that the Te has a rich electron donating ability toward metal ions than the quinoline N in the complexes. In the experiment, the researchers used many compounds, for example, Copper(II) trifluoromethanesulfonate (cas: 34946-82-2Reference of 34946-82-2).
Copper(II) trifluoromethanesulfonate (cas: 34946-82-2) belongs to copper catalysts. Copper catalyst has received great attention owing to the low toxicity and low cost. It is clear from the impact copper catalysis has had on organic synthesis that copper should be considered a first line catalyst for many organic reactions.Reference of 34946-82-2
Referemce:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”