Synthesis and structures of bimetallic and polymeric zinc coordination compounds supported by salicylaldiminato and anilido-aldimine ligands

Doyle DJ; Gibson VC; White AJP

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Synthesis and structures of bimetallic and polymeric zinc coordination compounds supported by salicylaldiminato and anilido-aldimine ligands

机译：水杨醛亚胺基和苯胺-醛亚胺配体支持的双金属和聚合锌配位化合物的合成和结构

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A series of bimetallic zinc complexes bearing salicylaldiminato (1b-3b) or anilido-aldimine (4c-5c) ligand frameworks, in which the metal centres are separated by aliphatic spacer groups containing 3-6 methylene units, were targeted. X-Ray analysis of salicylaldiminato derivative 2b, with a 4 carbon spacer group, revealed a coordination polymer in the solid state where each zinc centre is ligated by two salicylaldiminato ligands. Contrastingly, the structure of the anilido-aldimine complex 4c, with a 3 carbon methylene spacer group, was found to be a discrete bimetallic complex. These differences are attributed to the differing steric protection at the anilido vs phenoxy donors, the latter more readily facilitating bridges between metal centres.

机译：靶向一系列带有水杨基铝亚氨基（1b-3b）或苯胺基-铝亚胺（4c-5c）配体骨架的双金属锌配合物，其中金属中心被包含3-6个亚甲基单元的脂族间隔基隔开。具有4个碳间隔基团的水杨基亚氨基衍生物2b的X-射线分析显示固态的配位聚合物，其中每个锌中心被两个水杨基亚氨基配体连接。相反，发现具有3个碳亚甲基间隔基的苯胺-醛亚胺络合物4c的结构是离散的双金属络合物。这些差异归因于苯胺给体与苯氧基给体在空间保护上的差异，后者更容易促进金属中心之间的桥接。

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《Dalton transactions: An international journal of inorganic chemistry》 |2007年第3期|共6页
作者
Doyle DJ; Gibson VC; White AJP;
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正文语种 eng
中图分类无机化学;
关键词
PROPYLENE-OXIDE; ALTERNATING COPOLYMERIZATION; ALKALINE-PHOSPHATASE; CARBON-DIOXIDE; COMPLEXES; MECHANISM; REACTIVITY; CATALYSTS; CO2;

机译：环氧丙烷;交替共聚;碱性磷酸酶;二氧化碳;络合物;机理;反应性;催化剂;CO2;

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机译：水杨醛亚胺基和苯胺-醛亚胺配体支持的双金属和聚合锌配位化合物的合成和结构
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Synthesis and structures of bimetallic and polymeric zinc coordination compounds supported by salicylaldiminato and anilido-aldimine ligands

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