Potassium alkenyl- and aryltrifluoroborates undergo addition to enones and aldehydes in the presence of Rh(I) catalysts to give β-functionalized ketones and allylic/benzylic alcohols, respectively. Reaction proceeds more rapidly than with the corresponding boronic acids, and the choice of phosphine ligand does not signifcantly influence the overall efficiency of addition.

Potassium alkenyl- and aryltrifluoroborates are stable and efficient agents for Rhodium-catalyzed addition to aldehydes and enones, yielding -functionalized ketones and allylic/benzylic alcohols.

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Potassium Alkenyl- and Aryltrifluoroborates: Stable and Efficient Agents for Rhodium-Catalyzed Addition to Aldehydes and Enones

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