Journal
TETRAHEDRON
Volume 64, Issue 19, Pages 4287-4294Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2008.02.081
Keywords
benzils; palladium; DMSO; alkynes; oxidation; tandem reactions; heterocyclic compounds
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PdI2 in DMSO promoted the oxidation of functionalized diarylalkynes into benzil derivatives in excellent yields. This new oxidation reaction was achieved with short reaction times and low loading of palladium catalyst. This efficient catalytic process has been applied successfully to the one-pot construction of a series of nitrogen-containing heterocycles of biological interest according to a tandem oxidation-nitrogen nucleophiles condensation-cyclization. (c) 2008 Elsevier Ltd. All rights reserved.
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