Application of 108-47-4, Chemical engineers ensure the efficiency and safety of chemical processes, adapt the chemical make-up of products to meet environmental or economic needs, and apply new technologies to improve existing processes. 108-47-4, Name is 2,4-Dimethylpyridine,belongs to chiral-nitrogen-ligands compounds, now introducing its new discovery.
Three adducts of zinc azide with 2,4-/3,4- and 3,5-dimethylpyridine (DMP), respectively, were prepared and the crystal structures determined by single crystal X-ray diffraction methods.The three compounds crystallize in the monoclinic space group P21/c with Z = 4: Zn(N3)2*2,4-DMP at 300(2) K: a = 1098.6(4), b = 1600.2(6), c = 608.8(3) pm, beta = 102.47(3) deg; R = 0.071 (RW = 0.056).Zn(N3)2*3,4-DMP at 103(3) K: a = 1102.1(3), b = 1.649.0(4), c = 611.8(1) pm, beta = 104.54(2) deg; R = 0.055 (RW = 0.051).Zn(N3)2*3,5-DMP at 97(3) K: a = 602.1(2), b = 2037.9(7), c = 853.8(3) pm, beta = 90.77(3) deg; R = 0.069 (RW = 0.055).The molecular geometry is similar for the three adducts, but the packing of the DMP-molecules is different.The zinc atoms are surrounded by five nitrogen atoms, four belonging to the azide groups and one to the DMP-adduct.The trigonal bipyramidal shaped ZnN5-polyhedra share common edges to form chains.Keywords.Azide; Crystal structure; Dimethylpyridine; Zinc.
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Reference：
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis