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Hydrosilylation
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<p>Hydrosilylation, also called catalytic hydrosilation, describes the addition of Si-H bonds across <a href="/facts/Saturated_and_unsaturated_compounds/tde2C216">unsaturated bonds</a>. Ordinarily the reaction is conducted catalytically and usually the substrates are unsaturated <a href="/facts/Organic_compound/gqCNaN45">organic compounds</a>. <a href="/facts/Alkene/RtYcS6kU">Alkenes</a> and <a href="/facts/Alkyne/VHI4N5Wo">alkynes</a> give alkyl and <a href="/facts/Vinyl_silane/xtDHgt0V">vinyl silanes</a>; <a href="/facts/Aldehyde/xSIRkW03">aldehydes</a> and <a href="/facts/Ketone/BqQXpLo4">ketones</a> give silyl ethers, while <a href="/facts/Ester/FoUAIIw4">esters</a> provide alkyl silyl mixed acetals. Hydrosilylation has been called the "most important application of platinum in homogeneous catalysis." </p>