Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Computed Properties of C11H17N3, 16153-81-4, Name is 4-(4-Methylpiperazin-1-yl)phenylamine, molecular formula is C11H17N3, belongs to piperazines compound. In a document, author is Okhlopkova, L. S., introduce the new discover.
Mononuclear Antimony(V) Catecholate Complexes with Additional Pyridine Ligands
A series of triarylantimony(V) complexes withp-dimethylaminopyridine andp-cyanopyridine of the general formulas [(Cat)SbAr3(p-Me2N-Py)] (complexesI-IV) and [(Cat)SbAr3(p-CN-Py)] (complexesV-VII) has been synthesized. Their molecular structures and electrochemical properties have been studied. 3,6-Di-tert-butyl-o-benzoquinone, 4,5-piperazine-1,4-diyl-3,6-di-tert-butyl-o-benzoquinone, and 4,5-dichloro-3,6-di-tert-butyl-o-benzoquinone are used as redox-active ligands. The molecular structures of several complexes in the crystalline state are determined by X-ray diffraction analysis (CIF files CCDC nos. 1974173 (I. 0.5toluene), 1974174 (II. 2toluene), 1974175 (V), 1974176 (VI. hexane), and 1974177 (VII)). All complexes have a distorted octahedral structure, and an additional neutral pyridine ligand occupies one of the apical positions. Electrochemical transformations of the complexes are studied by cyclic voltammetry in a dichloromethane solution. The introduction of substituted pyridine into the molecule of the complex does not change the electrooxidation mechanism of the complexes. For all complexes withp-dimethylaminopyridine, both oxidation potentials are shifted to the cathodic region (0.13-0.21 V for the potential of the first oxidation process and to 0.3-0.4 V for the potential of the second oxidation process). A similar shift for the complex withp-cyanopyridine is less pronounced (0.05 V for the potential of the first oxidation process of complexVas compared to that of complexI).
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Reference:
Piperazine – Wikipedia,
,Piperazines – an overview | ScienceDirect Topics