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Synlett 2009(16): 2601-2604
DOI: 10.1055/s-0029-1217980
DOI: 10.1055/s-0029-1217980
LETTER
© Georg Thieme Verlag
Stuttgart ˙ New York
Synthesis of 6-Substituted Imidazo[2,1-b][1,3]thiazoles and 2-Substituted Imidazo[2,1-b][1,3]benzothiazoles via Pd/Cu-Mediated Sonogashira Coupling
Further Information
Received
26 June 2009
Publication Date:
14 September 2009 (online)
Publication History
Publication Date:
14 September 2009 (online)
Abstract
The reaction of iodobenzenes with 2-amino-3-(2-propynyl)-1,3-thiazolium bromide and 2-imino-3-(2-propynyl)-1,3-benzothiazole, catalyzed by Pd/Cu, leads to the formation of 6-substituted imidazo[2,1-b][1,3]thiazoles and 2-substituted imidazo[2,1-b][1,3]benzothiazoles, respectively.
Key words
Sonogashira coupling - aryl iodide - imidazothiazole - Pd-catalyzed - sodium lauryl sulfate
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