5-一硝基2,3,7,8,12,13,17,18-八乙基卟啉,5,15-二硝基-八乙基卟啉,5,10,15的Mn(II,III)和Cd(II)络合物-trinitro-2,3,7,8,12,13,17,18-八乙基卟啉和5,10,15,20-tetranitro-2,3,7,8,12,13,17,17,18-octaethylporphyrin已被综合和确定。比较了相应的卟啉配体与氯化锰(II)的配位反应,以及镉配合物与氯化锰(II)在二甲基甲酰胺中的金属交换,从而找到了合成Mn(II,III)的最佳条件。 )-卟啉。所获得的化合物通过紫外可见分光光度法鉴定11 H NMR光谱和质谱。用DFT法计算了合成化合物的结构参数,并进行了NBO分析。用循环伏安法研究了合成的锰配合物的电化学性能。结果表明,硝基取代决定了Mn-卟啉的氧化还原状态。
Synthesis and Spectral Properties of Unsymmetrically Substituted
Mn(II) and Mn(III) Octaethylporphyrins
作者:S. V. Zvezdina、N. V. Chizhova、N. Zh. Mamardashvili
DOI:10.1134/s1070428020080072
日期:2020.8
5-Mononitro-2,3,7,8,12,13,17,18-octaethylporphyrin, 5,10,15-trinitro-2,3,7,8,12,13,17,18-octaethylporphyrin, and their Cd(II) complexes were synthesized. The coordination reactions of 2,3,7,8,12,13,17,18-octaethylporphyrin and its mono- and trinitro-substituted derivatives and the metal-exchange reactions of the synthesized Cd(II) octaethylporphyrin complexes with Mn(II) chloride in DMF were investigated by spectrophotometry. The corresponding Mn(II) and Mn(III) porphyrins were obtained and identified. The kinetic parameters of the studied reactions were determined.