First example of Ugi's amine as a platform for the construction of chiral coordination polymers: synthesis and properties

Gilmanova Leisan; Shekurov Ruslan; Khrizanforov Mikhail; Ivshin Kamil; Kataeva Olga; Bon Volodymyr; Senkovska Irena; Kaskel Stefan; Vasily Miluykov

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First example of Ugi's amine as a platform for the construction of chiral coordination polymers: synthesis and properties

机译：UGI胺作为构建手性配位聚合物的平台的第一例：合成和性质

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Here, the first example of phosphinic acid containing Ugi's amine (HL) is presented. Utilization of this phosphinic acid as a ligand along with 4,4 '-bipyridine (bpy) facilitated the synthesis of the first coordination polymer based on Ugi's amine with the composition Ni(bpy)(2)L-2. The crystal structure of both ligand and polymer were solved from the single-crystal X-ray diffraction data. The acid exists as zwitterion and crystallizes as a mixture of two racemic forms. The coordination polymer comprises layers composed of Ni(bipy)(2), terminated by L as monodentate ligands, coordinated to Ni through the phosphinate group. The solid-state cyclic voltammetry was used as an analytical tool, which made it possible to estimate the iron to nickel ratio in the structure of coordination polymer. The cathodic shift of the oxidation potential of the ferrocene fragment in the polymer in comparison to free acid demonstrates a strong interaction of iron and nickel within the coordination polymer structure.

机译：本文介绍了第一个含有Ugi胺（HL）的膦酸实例。利用这种膦酸作为配体以及4,4'-联吡啶（bpy）有助于合成第一种基于Ugi胺的配位聚合物，其组成为Ni（bpy）（2）L-2。从单晶X射线衍射数据中解析了配体和聚合物的晶体结构。这种酸以两性离子的形式存在，并以两种外消旋形式的混合物结晶。配位聚合物包括由Ni（bipy）（2）组成的层，以L作为单齿配体终止，通过膦酸基团与Ni配位。固态循环伏安法被用作分析工具，这使得能够估计配位聚合物结构中的铁镍比。与游离酸相比，聚合物中二茂铁片段的氧化电位发生阴极位移，表明配位聚合物结构中铁和镍之间存在强烈的相互作用。

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《New Journal of Chemistry》 |2021年第5期|共4页
作者
Gilmanova Leisan; Shekurov Ruslan; Khrizanforov Mikhail; Ivshin Kamil; Kataeva Olga; Bon Volodymyr; Senkovska Irena; Kaskel Stefan; Vasily Miluykov;
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RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

Tech Univ Dresden Chair Inorgan Chem 1 Bergstr 66 D-01062 Dresden Germany;

Tech Univ Dresden Chair Inorgan Chem 1 Bergstr 66 D-01062 Dresden Germany;

Tech Univ Dresden Chair Inorgan Chem 1 Bergstr 66 D-01062 Dresden Germany;

RAS Arbuzov Inst Organ &

Phys Chem FRC Kazan Sci Ctr Arbuzov Str 8 Kazan 420088 Russia;

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中图分类化学;
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First example of Ugi's amine as a platform for the construction of chiral coordination polymers: synthesis and properties

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