and anilines to give the triazenes. Azo couplings are achieved with quantitative yields by cautious co-grinding of solid diazoniumsalts with beta-naphthol and C-H acidic heterocycles, such as barbituric acids or pyrazolinones. Solid diazoniumsalts may be more easily applied in a stoichiometric ratio for couplings in solution. Co-grinding of solid diazoniumsalts with KI gives quantitative yields of
Copper(II) complex compounds with 1-phenyl-3-methyl-4-azopyrazol-5-one derivatives. The crystal and molecular structure of Cu(C17H15N4O)2 · 0.222H2O
作者:O. V. Koval’chukova、I. N. Polyakova、V. S. Sergienko、S. B. Strashnova、O. V. Volyanskii、O. V. Korolev
DOI:10.1134/s1070328412060061
日期:2012.7
Seven new copper(II) complexes with 1-phenyl-3-methyl-4-azopyrazol-5-one were synthesized and isolated in the crystalline state. The crystal and molecularstructure of the complex Cu(C17H15N4O)2 · 0.222H2O was studied by X-ray diffraction. The organic ligand is coordinated to copper in the anionic form in the bidentate chelating mode through the oxygen atom of the pyrazolone moiety and one nitrogen
合成了七个新的具有1-苯基-3-甲基-4-偶氮吡唑-5-酮的铜(II)配合物,并以结晶状态分离。通过X射线衍射研究了Cu(C 17 H 15 N 4 O)2 ·0.222H 2 O配合物的晶体和分子结构。有机配体通过吡唑啉酮部分的氧原子和偶氮基团的一个氮原子以双齿螯合方式与阴离子形式的铜配位。作为第一近似,铜(II)配位多面体(CP)是四面体扭曲的正方形。铜CP通过与邻近分子的吡唑氮的Cu theN(1)接触(3.072Å)完成为扩展的四角锥(4 + 1)。