Abstract The reaction between aryl substituted α-olefins and dichloro(diisopropylamino)borane catalyzed with Cp 2 TiCl 2 leads to trans -1-alkenyl(chlorodiisopropylamino)boranes in high yields. Aliphatic α -olefins in this reaction give borylation… Click to show full abstract
Abstract The reaction between aryl substituted α-olefins and dichloro(diisopropylamino)borane catalyzed with Cp 2 TiCl 2 leads to trans -1-alkenyl(chlorodiisopropylamino)boranes in high yields. Aliphatic α -olefins in this reaction give borylation and hydroboration products, namely, trans -1-alkenyl(chlorodiisopropylamino)boranes and alkyl(chlorodiisopropylamino)-boranes. A proposed catalytic cycle for the Cp 2 TiCl 2 -catalyzed borylation of α -olefins with i -Pr 2 NBCl 2 is discussed.
               
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