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- W2012206893 abstract "Reactions of alkenylsilanes (alkenyl = 2-propenyl, vinyl, allyl) with neutral and cationic palladium aryl complexes [Pd(C6F5)X(NCMe)2] (X = Br, 1; Cl, 2), [Pd(C6F5)(acac)(NCMe)] (acac = acetylacetonate, 3), and [Pd(C6F5)(bipy)(S)]ClO4 (S = acetone, 4) were studied. The compounds obtained were substituted alkenylsilanes (formed via Heck substitution) and desilylated olefins (formed by transmetalation followed by reductive elimination or by insertion followed by β-SiMe3 elimination). The analysis of the structure of the final organic products provides a quantitative assessment of the importance of these competing pathways. Transmetalation to palladium was found to be a minor pathway in all cases, whereas insertion of the double bond into the Pd−C6F5 bond followed by β-SiMe3 elimination was the major route. The formation of C6F5-substituted alkenylsilanes is favored when an excess of starting alkenylsilane is used." @default.
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- W2012206893 date "2006-09-28" @default.
- W2012206893 modified "2023-10-09" @default.
- W2012206893 title "Competition of Insertion and Transmetalation Pathways in the Reactions of Alkenylsilanes with Aryl Complexes of Palladium(II). An Experimental Study" @default.
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- W2012206893 doi "https://doi.org/10.1021/om060622e" @default.
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