New discoveries in chemical research and development in 2021. The transformation of simple hydrocarbons into more complex and valuable products has revolutionised modern synthetic chemistry. In an article, author is Wu, Yancong, once mentioned the application of 307-24-4, Application In Synthesis of Undecafluorohexanoic acid, Name is Undecafluorohexanoic acid, molecular formula is C6HF11O2, molecular weight is 314.0534, category is benzoxazole. Now introduce a scientific discovery about this category.
Reaction of 2,2-(1,4-butanediyl)bis-1,3-benzoxazole (BBO) or 2-(2′-pyridyl)benzoxazole (PBO) ligands with [Cu(CH3CN)(2)(PPh3)(2)](BE4) afforded a copper(I) coordination polymer{[Cu(BBO)(PPh3)](BE4)}(n) (1) and a mononuclear copper(I) complex [Cu(PBO)(PPh3)(2)](BF4)center dot 2CH(2)Cl(2) (2) (where PPh3= triphenyl-phosphine), which have been characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The structural analysis revealed that in complex 1, copper(I) ions are three-coordinated and the geometric structure around the central copper(I) atom can be described as planar trigonal configuration. Complex 1 exhibits an one-dimensional coordination polymer by two BBO bridging adjacent copper(I) ions, forming a single-stranded meso-helical chain structure. Mononuclear complex 2 is four-coordinated and slightly distorted triangular-pyramid geometry. Solid luminescence properties investigation show that complex 1 has two emission peaks, which attributed to the pi*-pi and pi*-n transitions. However complex 2 only has one emission peak, which may be attributed to MLCT [d(10)(Cu) -> pi*]. This indicates that different types of N-heterocyclic ligands have an important influence on the structure and luminescent properties of copper(I) complexes. (C) 2019 Elsevier B.V. All rights reserved.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem