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  • Title: Synthesis of N-substituted indole-3-carboxylic acid derivatives via Cu(I)-catalyzed intramolecular amination of aryl bromides.
    Author: Melkonyan FS, Karchava AV, Yurovskaya MA.
    Journal: J Org Chem; 2008 Jun 06; 73(11):4275-8. PubMed ID: 18471015.
    Abstract:
    A variety of N-alkylated and N-arylated derivatives of methyl 1 H-indole-3-carboxylate were synthesized efficiently via Ullmann-type intramolecular arylamination, using the CuI-K 3PO 4-DMF system. This catalytic amination procedure can be performed with good to high yields under mild conditions under an air atmosphere.
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