Abstract
5-hexenyl 1-naphthyl telluride (1) and 5-hexenyl (1,1’-binaphthyl-2-yl) telluride (2) were prepared from the reaction of 1-bromonaphthalene and 2-bromobinaphthalene with di(5-hexenyl) ditelluride in presence of lithium metal. Reaction of 1 and 2 with K2PtCl4 afforded the platinum(II) complexes 3 and 4, respectively in good yields. Silica-bound telluride-platinum complexes were directly synthesized from fumed silica, triethoxysilane and platinum complexes (i.e. 3 and 4). The catalytic activities of polysiloxane-supported platinum complexes were examined with 1-hexene, 1-decene and 1-dodecene at different temperature. It was found that these catalysts are efficient for hydrosilylation of olefins with triethoxysilane.
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