New discoveries in chemical research and development in 2021. As an important bridge between the micro, chemistry is one of the main methods and means for humans to understand and transform the material world. In an article, author is Xu, Yuling, once mentioned the application of 345-92-6, Safety of Bis(4-Fluorophenyl)methanone, category is benzoxazole. Now introduce a scientific discovery about this category.
N-heterocyclic chelating and triphenylphosphine ligands react with cuprous halide to form a variety of copper(I) complexes, namely, mononuclear [Cu(PBO)(PPh3)Br](CH2Cl2)-C-. (1) and [Cu(PBM)(PPh3)I] (2) (PBO=2-(2-Pyridyl)benzoxazole, PBM=2-(2-Pyridyl)benzimidazole, PPh3=triphenylphosphine) and tetranuclear [Cu-4((2)-I)(2)((3)-I)(2)(PPh3)(4)](.)2CH(2)Cl(2) (3) have been synthesized and characterized. Complexes 1 and 2 are basically alike; both of them are mononuclear and four-coordinated, possessing a slightly distorted trigonal pyramidal geometry. Complex 3 is tetranuclear and the coordination numbers of the two copper(I) atoms are three and four, Cu(1) forming an approximate trigonal planar coordination environment, while Cu(2) is a slightly distorted trigonal pyramidal geometry, resulting in a distorted chair-like conformation. Complexes 1 and 2 are emissive in the solid state at ambient temperature, with the maxima at 552 and 602nm, respectively, due to a MLCT excited state. Moreover, complex 3 manifests promising heterogeneous catalytic activities for the degradation of methylene blue (MB), with degradation efficiency of 99% under ambient light.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem