Copper(II) complexes with sulfonamides derived from 2-picolylamine and their use as chemical nucleases
作者:Benigno Macías、María V. Villa、Mónica Salgado、Joaquín Borrás、Marta González-Álvarez、Francisca Sanz
DOI:10.1016/j.ica.2005.11.032
日期:2006.3
highly distorted tetrahedron, the sulfonamide ligands acting in a bidentate fashion. Compound Hpmesa crystallizes in monoclinic space group P 2 1 /c (number 14), with Z = 4; complex [Cu(pmesa) 2 ] crystallizes in monoclinic space group P 1 ¯ (number 2), with Z = 4 and complex [Cu(ptbsa) 2 ] crystallizes in monoclinic space group Pca 2 1 (number 29), with Z = 4. Both complexes have been characterized by spectroscopic
2-吡啶甲基胺(2-氨基甲基吡啶)与2-间苯磺酰基氯和4-叔丁基苯磺酰氯之间的反应导致形成2,4,6-三甲基-N- [吡啶-2-il甲基]苯磺酰胺(Hpmesa)和4 -叔丁基-N- [吡啶-2-基甲基]苯磺酰胺(Hptbsa)。这些化合物与Cu(II)盐反应生成化学计量比为CuL 2的配位化合物。金属离子的直接环境是高度扭曲的四面体,磺酰胺配体以双齿形式起作用。化合物Hpmesa在单斜空间群P 2 1 / c(14号)中结晶,Z = 4;络合物[Cu(pmesa)2]在单斜空间群P 1(第2号)中结晶,Z = 4,而络合物[Cu(ptbsa)2]在单斜空间群Pca 2 1(第29号)中结晶,Z = 4,两种配合物均已通过分光光度法进行了表征。EPR测量显示具有参数的菱形光谱,该参数指示未配对的电子在dx 2 -y 2 dx 2-y 2轨道中。在抗坏血酸/ H 2 O 2的存在下,这两种络