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Immobilization of a Boron Center-Functionalized Scorpionate Ligand on Mesoporous Silica Supports for Heterogeneous Tp-Based Catalysts

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posted on 2017-03-31, 00:00 authored by Ayaka Nakamizu, Takeshi Kasai, Jun Nakazawa, Shiro Hikichi
To develop novel immobilized metallocomplex catalysts, allyltris­(3-trifluoromethylpyrazol-1-yl)­borate (allyl-TpCF3) was synthesized. A boron-attached allyl group reacts with thiol to afford the desired mesoporous silica-immobilized TpCF3. Cobalt­(II) is an efficient probe for estimating the structures of the immobilized metallocomplexes. The structures of the formed cobalt­(II) complexes and their catalytic activity depended on the density of the organic thiol groups and on the state of the remaining sulfur donors on the supports.

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