Journal
TETRAHEDRON LETTERS
Volume 54, Issue 11, Pages 1424-1427Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.12.115
Keywords
Difluoropyridoindole; Palladium; Heck reaction; Pyridine; Regioselective
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Various difluoropyridoindoles were synthesized via a palladium-catalyzed intramolecular Heck reaction as a key step. Thus, ortho-bromoanilines and difluoropiperidinone were treated with (PPh3)(2)PdCl2 and base in pyridine to give the regioselective cyclized heterocycles in modest to satisfactory yields. (C) 2013 Elsevier Ltd. All rights reserved.
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