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Cycloaddition Reactions of Kinetically Stabilized 9-Silaanthrancene with Polycyclic Aromatic Hydrocarbons

机译:动力学稳定的9-紫杉烷与多环芳烃的环加成反应

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摘要

Aromatic compounds in general have low reactivity and usually do not form electrophilic addition products in spite of the presence of unsaturated bonds. Instead, they show unique chemical reactivities and undergo reactions such as electrophilic substitution, photochemical, and radical reactions: for example, depending on the substrates and/or reaction conditions, the photochemical reactions of anthracene derivatives are known to result in the formation of the corresponding dimers via a [4+4]cycloaddition or the formation of the 9,10-Dewar-anthracene derivatives through valence isomerization.[1]
机译:芳香族化合物通常具有低反应性并且尽管存在不饱和键也通常不形成亲电子加成产物。相反,它们显示出独特的化学反应性,并经历诸如亲电取代,光化学和自由基反应等反应:例如,根据底物和/或反应条件,已知蒽衍生物的光化学反应会导致形成相应的通过[4 + 4]环加成形成二聚体,或通过化合价形成9,10-杜瓦蒽衍生物。[1]

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