First Example of Cu(OTf)_2-catalyzed Synthesis of Quinoxalines from α-Diazoketones and Aryl 1,2-Diamines
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- YADAV J. S.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- SUBBA REDDY B. V.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- GOPALA RAO Y.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- NARSAIAH A. V.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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著者
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- YADAV J. S.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- SUBBA REDDY B. V.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- GOPALA RAO Y.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
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- NARSAIAH A. V.
- Division of Organic Chemistry, Indian Institute of Chemical Technology
抄録
α-Diazoketones undergo smooth coupling with aryl 1,2-diamines in the presence of 10 mol % of copper(II) triflate to provide the corresponding 2-alkyl- or 2-aryl-quinoxalines in excellent yields with high selectivity. Rh<SUB>2</SUB>(OAc)<SUB>4</SUB> is also found to be an equally effective catalyst for this transformation. It is a new and alternative approach for the preparation of biologically well-defined quinoxaline derivatives.
収録刊行物
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- Chemistry letters
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Chemistry letters 37(3), 348-349, 2008-03-05
公益社団法人 日本化学会
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