Synthesis and properties of the diruthenium(II) complexes with diimine-linked polypyridine bridges

Dong Hwan Kim1, Hwa-Seon Kim, Woong Kyu Jo

  • 1Department of Chemistry Engineering, Sunchon National University, Sunchon, Jeonnam 540-742, Korea.

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Introduction
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[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction

The Diels–Alder reaction is an example of a thermal pericyclic reaction between a conjugated diene and an alkene or alkyne, commonly referred to as a dienophile. The reaction involves a concerted movement of six π electrons, four from the diene and two from the dienophile, forming an unsaturated six-membered ring. As a result, these reactions are classified as [4+2] cycloadditions.
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Characteristics of the diene
Conformation
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Structural Isomerism

Isomerism in Complexes
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Stability of Conjugated Dienes

Introduction
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