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一种新型手性α-氨基肟镍（II）配合物的合成与晶体结构

Synthesis and crystal structure of a new chiral α-amino-oxime nickel(II) complex.

作者信息

Homrani Yasmina, Dahdouh Abdelaziz, El Amrani Mohamed Amin, Loxq Pauline, Capet Frédéric, Suisse Isabelle, Sauthier Mathieu

机构信息

Laboratoire de Chimie Organique Appliquée, Faculté des Sciences, BP 2121, Université Abdelmalek Essaadi, Tétouan, Morocco.

Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, UCCS, Unité de Catalyse et Chimie du Solide, F-59000, Lille, France.

出版信息

Acta Crystallogr E Crystallogr Commun. 2021 Oct 19;77(Pt 11):1116-1119. doi: 10.1107/S2056989021010537. eCollection 2021 Nov 1.

DOI:10.1107/S2056989021010537
PMID:34868647
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8587986/
Abstract

A dinuclear nickel complex with ()-limonene based amino-oxime ligand has been isolated and its crystal structure determined. The resolved structure of dichloridobis-{(2,5)-2-methyl-5-(prop-1-en-2-yl)-2-[(pyridin-2-yl)methyl-amino]-cyclo-hexan-1-one oxime}dinickel(II), [NiCl(CHClNO)], at 100 K has monoclinic (2) symmetry. The two Ni ions in the dinuclear complex are each coordinated in a distorted octa-hedral environment by three nitro-gen atoms, a terminal chloride and two μ bridging chlorides. Each oxime ligand is coordinated to nickel(II) by the three nitro-gen atoms, leading to two five-membered chelate rings, each displaying an envelope conformation. In the crystal, numerous inter-molecular and intra-molecular hydrogen bonds lead to the formation of a three-dimensional network structure.

摘要

一种具有基于（）-柠檬烯的氨基肟配体的双核镍配合物已被分离出来，并确定了其晶体结构。二氯双-{(2,5)-2-甲基-5-(丙-1-烯-2-基)-2-[(吡啶-2-基)甲基-氨基]-环己烷-1-酮肟}二镍(II)，[NiCl(CHClNO)]，在100 K时的解析结构具有单斜（2）对称性。双核配合物中的两个镍离子各自在一个扭曲的八面体环境中由三个氮原子、一个端基氯和两个μ桥连氯配位。每个肟配体通过三个氮原子与镍(II)配位，形成两个五元螯合环，每个环都呈现出信封构象。在晶体中，大量的分子间和分子内氢键导致形成三维网络结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/475129114d74/e-77-01116-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/46308380d9c6/e-77-01116-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/57ae0268aca1/e-77-01116-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/475129114d74/e-77-01116-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/46308380d9c6/e-77-01116-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/57ae0268aca1/e-77-01116-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eb7c/8587986/475129114d74/e-77-01116-fig3.jpg

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