Anion control of the formation of geometric isomers in a triple helical array

Harding LP; Jeffery JC; Riis-Johannessen T; Rice CR; Zeng ZT

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Anion control of the formation of geometric isomers in a triple helical array

机译：阴离子控制三重螺旋阵列中几何异构体的形成

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The amide-substituted unsymmetrical ligand L-1 upon coordination to Co2+ forms the dinuclear triple helicate [Co-2(L-1)(3)](4+) which exists as both possible C-1 and C-3 symmetric geometric isomers in solution, however, upon addition of nitrate ions, the formation of an anion binding cavity is favoured and hence the sole product is the C-3 symmetric isomer in which all three amide substituents are hydrogen bonded to the nitrate anion.

机译：酰胺取代的不对称配体L-1与Co2 +配位后形成双核三螺旋[Co-2（L-1）（3）]（4+），以可能的C-1和C-3对称几何异构体形式存在然而，在溶液中，加入硝酸根离子后，形成阴离子结合腔是有利的，因此唯一的产物是C-3对称异构体，其中所有三个酰胺取代基均氢键合到硝酸根阴离子上。

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来源
《Dalton transactions: An international journal of inorganic chemistry》 |2004年第16期|共2页
作者
Harding LP; Jeffery JC; Riis-Johannessen T; Rice CR; Zeng ZT;
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正文语种 eng
中图分类无机化学;
关键词
COMPLEXES; LIGANDS; RUTHENIUM(II); CHEMISTRY; UNITS;

机译：络合物;配体;R（II）;化学;单位;

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1. Anion control of the formation of geometric isomers in a triple helical array [J] . Harding LP, Jeffery JC, Riis-Johannessen T, Dalton transactions: An international journal of inorganic chemistry . 2004,第16期

机译：阴离子控制三重螺旋阵列中几何异构体的形成
2. Triple-stranded helical and plywood-like arrays: Two uncommon framework isomers based on the common one-dimensional chain structures [J] . Lu XQ, Qiao YQ, He JR, Crystal growth & design . 2006,第8期

机译：三链螺旋状和胶合板状阵列：基于常见的一维链结构的两种罕见的骨架异构体
3. Effects of geometric isomerism and anions on the kinetics and mechanism of the stepwise formation of long-range DNA interstrand cross-links by dinuclear platinum antitumor complexes [J] . Zhang JY, Thomas DS, Berners-Price SJ, Chemistry: A European journal . 2008,第21期

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7. Triple-Stranded Helical and Plywood-Like Arrays: Two Uncommon Framework Isomers Based on the Common One-Dimensional Chain Structures [O] . -1

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Anion control of the formation of geometric isomers in a triple helical array

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