Novel copper(II), cobalt(II) and nickel(II) complexes with 5-(4-oxo-4H-chromen-3-yl)-4,5-dihydro-1,3,4-thiadiazole-2-carboxamide: Synthesis, structure, spectroscopic studies
作者:Ksenia A. Myannik、Vladimir N. Yarovenko、Elena K. Beloglazkina、Anna A. Moiseeva、Mikhail M. Krayushkin
DOI:10.1016/j.poly.2017.10.027
日期:2018.1
Abstract A series of novel organic ligands, 5-(4-oxo-4H-chromen-3-yl)-4,5-dihydro-1,3,4-thiadiazole-2-carboxamide, which are the tautomeric forms of 2-oxo-2-(arylamino)-(2E)-2- [(4-hydroxy-2-oxo-2H-1-benzopyran-3-yl)-methyledene]ethanethioic acid hydrazides, have been synthesized from 3-formylchromone and oxamic acid thiohydrazides. Copper(II), cobalt(II) and nickel(II) complexes with 2-oxo-2-(ary
摘要一系列新颖的有机配体5-(4-oxo-4H-chromen-3-yl)-4,5-dihydro-1,3,4-thiadiazole-2-carboxamide,是2-的互变异构形式。由3-甲酰基色酮和草酰胺合成了氧代-2-(芳基氨基)-(2E)-2-[(4-羟基-2-氧代-2H-1苯并吡喃-3-基)-亚甲基]乙硫酸酰肼酸硫酰肼。铜(II),钴(II)和镍(II)与2-oxo-2-(芳基氨基)-(2E)-2-[(4-羟基-2-oxo-2H-1-苯并吡喃-3-)的配合物通过相应的有机配体与MCl2(M = Cu,Co,Ni)的相互作用合成了yl)甲基亚烯基]乙硫基乙酰肼。与5-(4-氧代-4H-铬-3-基)-N-苯基-4,5-二氢-1,3,4-噻二唑-2-羧酰胺的铜(II)配合物的晶体结构为通过单晶X射线衍射法解决。复杂分子中的铜(II)离子由变形的三角双锥体几何结构中的醛亚胺氮原子,硫醇