Beilstein J. Org. Chem.2012,8, 1765–1770, doi:10.3762/bjoc.8.201
–94%). These results are the first examples of cycloadditions of alkynyl halides using an iridium catalyst.
Keywords: alkynyl halide; cycloaddition; diene-tetheredalkyne; iridium; transition-metal catalyst; Introduction
Iridium complexes have been used as catalysts for a wide variety of reactions
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Graphical Abstract
Scheme 1:
Literature examples of intramolecular TMC [4 + 2] cycloadditions of diene-tethered alkynes.