C鈭扝 Functionalization of 1,4-Naphthoquinone by Oxidative Coupling with Anilines in the Presence of a Catalytic Quantity of Copper(II) Acetate

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• 作者：Cinthia da S. Lisboa ; Vanessa G. Santos ; Boniek G. Vaz ; Nanci C. de Lucas ; Marcos N. Eberlin ; Simon J. Garden
• 刊名：Journal of Organic Chemistry
• 出版年：2011
• 出版时间：July 1, 2011
• 年：2011
• 卷：76
• 期：13
• 页码：5264-5273
• 全文大小：1009K
• 年卷期：v.76,no.13(July 1, 2011)
• ISSN：1520-6904

文摘

The oxidative addition of anilines (2) with 1,4-naphthoquinone (3) to give N-aryl-2-amino-1,4-naphthoquinones (1) was found to be catalyzed by copper(II) acetate. In the absence of the catalyst, the reactions are slower and give lower yields with the formation of many colateral products. In the presence of 10 mol % hydrated copper(II) acetate, the reactions are generally more efficient in that they are cleaner, higher yielding, and faster.