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Highly Regio- and Stereoselective Heterogeneous Hydrosilylation of Terminal Alkynes over Cobalt-Metalated Porous Organic Polymer

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journal contribution
posted on 31.07.2018, 19:37 by Ren-Hao Li, Xiao-Ming An, Ying Yang, Ding-Chang Li, Zi-Lin Hu, Zhuang-Ping Zhan
A cobalt/POL-PPh3 catalyzed (E)-selective hydrosilylation of alkynes with PhSiH3 has been developed for the synthesis of (E)-β-vinylsilanes with high regio- and stereoselectivity and wide functional group tolerance. It is the first report of using porous organic polymer as a recyclable regio- and stereoselective and efficient ligand in hydrosilylation reactions in which the polymer could be recycled numerous times in a continuous flow system without loss of activity and selectivity. The earth-abundant base-metal catalyst, coordinated by heterogeneous recyclable ligand, shows promise for industrial application.

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