In an article, author is Behera, Prafulla Kumar, once mentioned the application of 3993-78-0, Quality Control of 2-Amino-4-chloropyrimidine, Name is 2-Amino-4-chloropyrimidine, molecular formula is C4H4ClN3, molecular weight is 129.55, MDL number is MFCD00038021, category is pyrimidines. Now introduce a scientific discovery about this category.
Gold(I) and gold(III) complexes supported by a pyrazine/pyrimidine wingtip N-heterocyclic carbene: Synthesis, structure and DFT studies
Starting from pyrazine and pyrimidine functionalized N-heterocyclic carbene (NHC) proligand 1-(2-Pyrazinyl)-3(methyl) imidazolium chloride (1.HCl), 1-(2-Pyrimidyl)-3(methyl) imidazolium chloride (2.HCl), four novel gold complexes [Au(1)Cl], (1a); [Au(1)Cl-3], (1b), [Au(2)Cl], (2a) and [Au(2)Cl-3] (2b) were synthesized and characterized using NMR spectroscopic techniques and elemental analysis. Additionally, the solid state structures of 1a & 2b were elucidated using single crystal X-ray diffraction analysis, which revealed that in 1a, the carbene nucleus and the chloride ion bound to Au(I) nearly linear having C-Au-Cl bond angle 178.84 degrees. Where as in 2b, the carbene nucleus and the chloride ion bound to the Au(III) adopts the square planar geometry surrounding Au(III). A series of DFT calculations were also performed to gain further insight into the respective structures of the complexes to relate the crystallographic parameters and electronic distribution. (C) 2020 Published by Elsevier B.V.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia