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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cyclooctadecanonaene ： ウィキペディア英語版 Cyclooctadecanonaene |Section2= |Section3= }} Cyclooctadecanonaene or ()annulene is an annulene with chemical formula . This hydrocarbon obeys Hückel's rule and is, therefore, an aromatic compound. Theoretical studies show that ()annulene has only three completely delocalized π bonds associated with its aromaticity, while other six π bonds represent the conjugated 3c-2e π bonds on the periphery of ()annulene. The compound was first synthesised by Franz Sondheimer.〔 In the literature and some internet references, Sondheimer is sometimes misspelled as Sandheimer.〕 ==Reactions== The original synthesis started by the Eglinton reaction of the di-alkyne 1,5-hexadiyne with copper(II) acetate in pyridine to give the trimer, followed by deprotonation and isomerization with potassium tert-butoxide in ''tert''-butanol and was concluded with hydrogen organic reduction with the Lindlar catalyst. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cyclooctadecanonaene」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.