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Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes
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Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes

Published on: April 1, 2013

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光化学的ヘクサデヒドロ・ダイエルス・アルダー反応

Feng Xu1, Xiao Xiao1, Thomas R Hoye1

  • 1Department of Chemistry, University of Minnesota , 207 Pleasant Street, SE, Minneapolis, Minnesota 55455, United States.

Journal of the American Chemical Society
|May 27, 2017
PubMed
まとめ

ヘクサデヒドロ・ディエルス・アルダー (HDDA) 反応の光化学的開始は,ベンジン誘導体を生成するための新しい方法を提供します. このフォト-HDDAプロセスは,従来の反応剤なしで低温で動作し,熱方法と同じようなベンジンを生成します.

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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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The Diels–Alder reaction brings together a diene and a dienophile to form a six-membered ring. Both components have unique characteristics that influence the rate of the reaction.
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The simplest example of a diene is 1,3-butadiene, an acyclic conjugated π system. At room temperature, the molecule exists as a mixture of s-cis and s-trans conformers by virtue of rotation around the carbon–carbon single bond. Although the s-trans isomer is more stable,...
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