FIELD: catalytic chemistry.
SUBSTANCE: reclaimable Pt-containing catalytic system for the hydrosilylation of unsaturated compounds has been proposed, consisting of a platinum precatalyst selected from PtCl2, K2 tCl4, K[(H2C=CH2)PtCl3], PtCl4, H2PtCl6, K2PtCl6, Pt(PPh3)4, Pt2(dvtms)3, and a polyol such as ethylene glycol, polyethylene glycol or glycerol, obtained by mixing the precatalyst and polyol at 20-60° C and intensive stirring in air at atmospheric pressure. The invention also relates to a method for hydrosilylation of unsaturated compounds using a Pt-containing catalyst system.
EFFECT: creation of a reclaimable Pt-containing catalytic system for hydrosilylation, the activity of which exceeds the activity of analogues by at least 103-104 times, reducing the time and reducing the temperature of hydrosilylation of a wide range of unsaturated compounds.
6 cl, 3 tbl, 94 ex
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