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Synthesis 2009(2): 271-276
DOI: 10.1055/s-0028-1083252
DOI: 10.1055/s-0028-1083252
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Pd/Cu-Catalyzed Oxidative C-H Alkenylation of Imidazo[1,2-a]pyridines
Further Information
Publication History
Received
4 September 2008
Publication Date:
12 December 2008 (online)


Abstract
A novel direct and regioselective Pd/Cu-catalyzed intermolecular oxidative coupling of imidazo[1,2-a]pyridines with alkenes was successfully developed. The scope and limitations of the reaction were further studied by using various alkenes. This method provides a ‘green’ route to 3-alkenylimidazo[1,2-a]pyridine derivatives in high yields.
Key words
palladium/copper-catalyzed oxidative coupling - alkenylation - imidazo[1,2-a]pyridines