首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Complexes of copper(II) acetate with nicotinamide: preparation, characterization and fungicidal activity; crystal structures of [Cu_2(O_2CCH_3)_4(nia)] and [Cu_2(O_2CCH_3)_4(nia)_2]
【24h】

Complexes of copper(II) acetate with nicotinamide: preparation, characterization and fungicidal activity; crystal structures of [Cu_2(O_2CCH_3)_4(nia)] and [Cu_2(O_2CCH_3)_4(nia)_2]

机译:乙酸铜(II)与烟酰胺的配合物:制备,表征和杀真菌活性; [Cu_2(O_2CCH_3)_4(nia)_2和[Cu_2(O_2CCH_3)_4(nia)_2]的晶体结构

获取原文
获取原文并翻译 | 示例
获取外文期刊封面目录资料

摘要

Three new copper(II) acetate complexes with nicotinamide (nia) were synthesized, analyzed and characterized by standard chemical and physical methods and tested for fungicidal activity. The crystal and molecular structures of the compounds [Cu_2(O_2CCH_3)_4(nia)] (1B) and [Cu_2(O_2CCH_3)_4(nia)_2] (2) were determined by X-ray diffraction. Both consist of binuclear units of bridging tetracarboxylate type, however they differ in the bonding mode of nicotinamide molecules. They are bonded at the apical positions of the dimers and connect them in an infinite chain in 1B. On the other hand the dimers remain isolated in the structure of the compound 2. It seems that compound 1B is the first example where a nicotinamide molecule molecule acts as a bidentate bridging ligand. The results of EPR spectra agree with the dimeric nature of the complexes. Dissolved in water or DMSO, the compounds completely stop mycelial growth at a concentration of 5.0 * 10~(-3) mol l~(-1). Less concentrated solutions (up to 1.0 * 10~(-3) mol l~(-1)) show weaker fungicidal activity.
机译:用标准的化学和物理方法合成,分析和表征了三种新的具有烟酰胺(nia)的乙酸铜(Ⅱ)配合物,并测试了其杀真菌活性。通过X射线衍射测定[Cu_2(O_2CCH_3)_4(nia)](1B)和[Cu_2(O_2CCH_3)_4(nia)_2](2)的晶体和分子结构。两者都由桥接四羧酸盐类型的双核单元组成,但是它们在烟酰胺分子的键合方式上有所不同。它们键合在二聚体的顶端位置,并在1B中以无限链连接。另一方面,二聚体在化合物2的结构中保持分离。似乎化合物1B是其中烟酰胺分子分子充当双齿桥接配体的第一个实例。 EPR光谱的结果与配合物的二聚性质一致。溶于水或DMSO中,化合物以5.0 * 10〜(-3)mol l〜(-1)的浓度完全阻止菌丝体生长。浓度较低的溶液(最多1.0 * 10〜(-3)mol l〜(-1))显示较弱的杀菌活性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号