One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 1049026-49-4, Name is 2-Bromo-5-(methylthio)pyrazine, formurla is C5H5BrN2S. In a document, author is Bazargan, Maryam, introducing its new discovery. Application In Synthesis of 2-Bromo-5-(methylthio)pyrazine.
Supramolecular assembly of a 2D coordination polymer bearing pyridine-N-oxide-2,5-dicarboxylic acid and copper ion: X-ray crystallography and DFT calculations
As an extension of our interest in pyridine-N-oxide-dicarboxylic acids, we report the design and synthesis of a 2D coordination polymer {[Cu(Hpydco)(2)]center dot 2H(2)O}(n) (1) based on the pyridine-N-oxide-2,5-dicarboxylic acid ligand (H(2)pydco). Compound 1 was characterized using infrared spectroscopy, CHN-elemental analyses, TGA and single crystal X-ray diffraction (SCXD). Structural analysis showed that this compound is a two-dimensional coordination polymer created by four-connected nodes defined by the copper ion and bridging Hpydco(-)ligands which created regular tetragons. In the packing, hydrogen bonds connect adjacent 2D sheets to extend the structure into a 3D architecture. Since H(2)pydco and pyridine-2,5-dicarboxylic acid have similar frameworks, we also highlight some areas of current interest in their coordination behavior by surveying reported structures (Cambridge Structural Database (CSD)) and have investigated the influence of the N-oxide moiety on the coordination mode(s) in the crystal lattice. Finally, DFT calculations have been used to compare H(2)pydco and pyridine-2,5-dicarboxylic acid ligands and their ability to interact with Cu(II). (C) 2019 Elsevier B.V. All rights reserved.
I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 1049026-49-4 help many people in the next few years. Application In Synthesis of 2-Bromo-5-(methylthio)pyrazine.