A Dimetallic Aminonitrone Nickel(II) Complex: Further Insights into Metal-Mediated Nucleophilic Activation of Amidoximes

被引：2
|
作者：
Bolotin, Dmitrii S. [1 ]
Bikbaeva, Zarina M. [1 ]
Novikov, Alexander S. [1 ]
Suslonov, Vitalii V. [2 ]
Bokach, Nadezhda A. [1 ]
机构：
[1] St Petersburg State Univ, Inst Chem, Univ Skaya Nab 7-9, St Petersburg, Russia
[2] St Petersburg State Univ, Ctr Xray Diffract Studies, Univ Pr 26, St Petersburg, Russia
来源：
CHEMISTRYSELECT | 2017年 / 2卷 / 30期
基金：
俄罗斯科学基金会;
关键词：
amidoxime; aminonitrone; nitrone; nucleophilic activation; transition metal; LIGANDS; URANYL; COORDINATION; 1,2,4-OXADIAZOLES; ACETAMIDOXIME; GENERATION; CHEMISTRY; ADSORBENT; OXIMES; IONS;
D O I：
10.1002/slct.201702232
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reaction of NiCl2 center dot 2H(2)O with acetamidoxime (MeC(NH2)=NOH) in the presence of PhCN in MeOH gave the cationic dimetallic complex [1]Cl-4, bearing bridging O-coordinated aminonitrone and chelating imidoylamidoxime ligands, derived from amidoxime-PhCN coupling. The experimental data and theoretical calculations (M06/MDF10(Ni) and 6-31G*(other atoms) indicated that the aminonitrone form of amidoxime was stabilized only as a (2)-O-bridging ligand, whereas N-oxime-coordination was preferred rather than O-coordination for monodentate-coordinated amidoximes.
引用
收藏
页码：9674 / 9678
页数：5
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