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首页> 外文期刊>Inorganic Chemistry Communications >Preparation and structural characterisation of a novel ferrocene-amino acid conjugate
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Preparation and structural characterisation of a novel ferrocene-amino acid conjugate

机译:新型二茂铁-氨基酸共轭物的制备和结构表征

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摘要

A new type of ferrocene-amino acid conjugate, 2-[(methoxycarbonyl)methyl]-2-aza[3]ferrocenophane (1), was obtained in a rather low yield via condensation reaction of 1,1'-bis(hydroxymethyl)ferrocene and glycine methyl ester in the presence of [RuCl2(PPh3)3] as a catalyst. The compound was characterised by combustion analysis and by spectroscopic method, and its solid-state structure was established by single-crystal X-ray diffraction analysis. Compound 1 is reluctant towards alkylation with Mel but readily forms a stable picrate salt. Cyclic voltammetry experiments on 1 (in CH3CN at Pt electrode) revealed the compound to undergo a one-electron reversible oxidation attributable to ferrocene/ferrocenium couple (E~(°') = -5 mV vs. ferrocene itself), which shifts towards more positive potentials upon protonation with HCl.
机译:通过1,1'-双(羟甲基)的缩合反应以较低的收率获得了新型的二茂铁-氨基酸共轭物2-[((甲氧羰基)甲基] -2-氮杂[3]二茂铁酚(1) [RuCl2(PPh3)3]作为催化剂存在的二茂铁和甘氨酸甲酯。通过燃烧分析和光谱学方法对该化合物进行表征,并通过单晶X射线衍射分析确定其固态结构。化合物1不愿与Mel进行烷基化,但容易形成稳定的苦味酸盐。在1(在Pt电极的CH3CN中)上进行的循环伏安实验表明,该化合物经历了一个二电子可逆的氧化反应,这归因于二茂铁/二茂铁对(E〜(°')= -5 mV vs.二茂铁本身),并向更大的方向移动用HCl质子化时的正电势。

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