Palladium-catalyzed arylation of unsymmetrical olefins. Bidentate phosphine ligand controlled regioselectivity

W Cabri, I Candiani, A Bedeschi…

Index: Cabri, Walter; Candiani, Ilaria; Bedeschi, Angelo; Santi, Roberto Journal of Organic Chemistry, 1992 , vol. 57, # 13 p. 3558 - 3563

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Citation Number: 182

Abstract

he palladium-catalyzed arylation of several unsymmetrical olefine by aryl triflatee in the presence of bidentab phosphine ligands is described. The use of these ligands increases the influence that electronic factors have in determining the regioselectivity of the reaction. The catalyst performances allow a revisiting of the scheme that describes the regioselectivity outcome in Heck-type reactions. Furthermore, a general mechanism for the palladium- ...

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