Abstract
The ratio of alcohol to carbonyl products in the palladium catalyzed arylation of unsaturated alcohols was found to depend on the structure of the reactant alcohol. For linear alcohols with terminal double bonds, increasing the concentration of alcohol increased the ratio of alcohol to carbonyl products. This is similar to the effect of triphenylphosphine on the reaction. Both effects are attributed to the same cause, namely, the displacement of olefinic products attached to palladium by more strongly coordinating ligands.
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