When Aryldiazonium Salts Meet Vinyl Diazoacetates: A Cobalt-Catalyzed Regiospecific Synthesis of N-Arylpyrazoles

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• 作者：Haiheng Guo ; Daming Zhang ; Chenghao Zhu ; Jian Li ; Guangyang Xu ; Jiangtao Sun
• 刊名：Organic Letters
• 出版年：2014
• 出版时间：June 6, 2014
• 年：2014
• 卷：16
• 期：11
• 页码：3110-3113
• 全文大小：331K
• 年卷期：v.16,no.11(June 6, 2014)
• ISSN：1523-7052

文摘

A cobalt-catalyzed C鈥揘 bond formation between aryl diazonium salts and vinyl diazoacetates has been developed under relatively mild conditions. The N-arylpyrazoles have been prepared in moderate to high yields in a regiospecific way.