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 14814-09-6, Quality Control of 3-Mercaptopropyltriethoxysilane, category is benzoxazole. Now introduce a scientific discovery about this category.
Reaction of 2,2-(1,4-butanediyl) bis-1,3-benzoxazole (BBO) ligand with [Cu(CH3CN)(2)(PPh3)(2)][X] (X = ClO4, PF6) afforded a copper(I) coordination polymer (CP) {[Cu(BBO)(PPh3)](ClO4)-Cl-center dot}(infinity) (1) and a binuclear complex [Cu-2(BBO)(PPh3)(4)](center dot)2PF(6)(center dot)2CH(2)Cl(2) (2) (where PPh3 = triphenylphosphine). Two complexes have been characterized. The structural analysis revealed that in complexes 1-2, all Cu(I) ions are tri-coordinated and the geometric structure around the central Cu(I) atom can be described as planar trigonal configuration. Complex 1 exhibits a one-dimensional coordination polymer by two BBO bridging adjacent copper(I) ions and extending along the b axis, forming a single-stranded helix chain structure that extends into 2-D layer frameworks through pi center dot center dot center dot pi interactions. Complex 2 shows a binuclear structure and the unit extends to a 2D supramolecular layered framework through C-H center dot center dot center dot F interactions. Moreover, compared with emissive bands of the free ligand in the solid state, the photoluminescent transition of the Cu(I) complexes 1-2 may be attributed to metal-to-ligand charge-transfer [MLCT]. (C) 2017 Elsevier B.V. All rights reserved.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem