Direct Access to Acylated Azobenzenes via Pd-Catalyzed C鈥揌 Functionalization and Further Transformation into an Indazole Backbone

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• 作者：Hongji Li ; Pinhua Li ; Lei Wang
• 刊名：Organic Letters
• 出版年：2013
• 出版时间：February 1, 2013
• 年：2013
• 卷：15
• 期：3
• 页码：620-623
• 全文大小：307K
• 年卷期：v.15,no.3(February 1, 2013)
• ISSN：1523-7052

文摘

Azobenzenes were readily acylated at the 2-position through a Pd-catalyzed C鈥揌 functionalization from simple aromatic azo compounds and aldehydes in good yields. The obtained acylated azobenzenes could be efficiently converted into the corresponding indazole derivatives in nearly quantitative yields.