| 總結: | We have previously obtained significant results in the cycloalumination of olefins with EtAlCl<sub>2</sub> in the presence of magnesium and a Cp<sub>2</sub>ZrCl<sub>2</sub> or Cp<sub>2</sub>TiCl<sub>2</sub> catalyst. Here we report the development of an efficient one-pot catalytic method for the synthesis of tertiary alcohols from AlCl<sub>3</sub>, aryl olefins, and ketones under the action of Cp<sub>2</sub>TiCl<sub>2</sub>. The developed method for producing tertiary alcohols has a general character and allows the conversion of styrene and substituted styrenes (<i>ortho</i>-, <i>para</i>-methylstyrenes) into aryl-substituted tertiary alcohols with yields of up to 76% in the reaction with acetone or methyl ethyl ketone. We assume that the reaction proceeds through the formation of a titanacyclopropane intermediate.
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