Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
5 years ago

Iron-Catalyzed gem-Specific Dimerization of Terminal Alkynes

Iron-Catalyzed gem-Specific Dimerization of Terminal Alkynes
Datong Song, Qiuming Liang, Kimberly M. Osten
We report a gem-specific homo- and cross-dimerization of terminal alkynes catalyzed by a well-defined iron(II) complex containing Cp* and picolyl N-heterocyclic carbene (NHC) ligands, and featuring a piano-stool structure. This catalytic system requires no additives and is compatible with a broad range of substrates, including those with polar functional groups such as NH and OH. A real gem: Iron-catalyzed gem-specific homo- and cross-dimerization of terminal alkynes was realized with a well-defined piano-stool iron(II) complex featuring Cp* and picolyl NHC ligands. The catalytic system requires no additives and is compatible with a broad range of substrates, including those with polar functional groups such as NH and OH.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201700904

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