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  • Title: Sterically directed iridium-catalyzed hydrosilylation of alkenes in the presence of alkynes.
    Author: Muchnij JA, Kwaramba FB, Rahaim RJ.
    Journal: Org Lett; 2014 Mar 07; 16(5):1330-3. PubMed ID: 24552627.
    Abstract:
    A selective iridium catalyzed hydrosilylation of alkenes in the presence of more reactive alkynes is described. By utilizing [IrCl(COD)]2 in the presence of excess COD, hydrosilylation of alkenes and alkynes with ethynylsilanes is achieved with good chemo- and regioselectivity. This approach goes against the traditional reactivity trends of platinum and rhodium catalysts and allows access to highly substituted silicon alkyne tethers.
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