Journal
TETRAHEDRON
Volume 63, Issue 22, Pages 4793-4805Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2007.03.042
Keywords
aryne; isocyanide; nitrogen heterocycle; oxygen heterocycle; three-component coupling
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A variety of aldehydes, ketones, benzoquinones, or sulfonylimines were found to couple with arynes and isocyanides, giving iminodihydroisobenzofuran or iminoisoindoline derivatives of structural diversity in a straightforward manner. Nucleophilic addition of isocyanides to arynes, a first step of the three-component coupling, was proved to be reversible by the reaction of an unsymmetrical aryne. (C) 2007 Elsevier Ltd. All rights reserved.
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