“Metal-free” synthesis of 1,2,3-triazoles via tandem azidation, intramolecular [3+2]-cycloaddition and aromatization of ethyl acrylate derivatives.

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Title: “Metal-free” synthesis of 1,2,3-triazoles via tandem azidation, intramolecular [3+2]-cycloaddition and aromatization of ethyl acrylate derivatives.
Authors: Kumar, B. Senthil1, Gadakh, Sunita1, Sudalai, Arumugam1 a.sudalai@ncl.res.in
Source: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. Jun2018, Vol. 59 Issue 24, p2365-2367. 3p.
Subjects: Triazoles synthesis, Azidation, Ring formation (Chemistry), Aromatization, Ethyl acrylate, Chemical derivatives
Abstract: An efficient “one-pot” method for the synthesis of substituted 1,2,3-triazole derivatives in excellent yields as single regioisomer is reported. The key transformation involves an atom-efficient tandem azidation, intramolecular [3+2]-cycloaddition and aromatization of acrylate derivatives on treatment with NaN 3 in DMF under mild conditions. [ABSTRACT FROM AUTHOR]
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Abstract:An efficient “one-pot” method for the synthesis of substituted 1,2,3-triazole derivatives in excellent yields as single regioisomer is reported. The key transformation involves an atom-efficient tandem azidation, intramolecular [3+2]-cycloaddition and aromatization of acrylate derivatives on treatment with NaN 3 in DMF under mild conditions. [ABSTRACT FROM AUTHOR]
ISSN:00404039
DOI:10.1016/j.tetlet.2018.05.020