Palladium-imidazolinium carbene-catalyzed arylation of aldehydes with arylboronic acids in water

The catalytic arylation of aldehydes with arylboronic acids in only water was found to be achieved using the palladium/thioether-imidazolinium chloride system in good to excellent yields. This catalytic process showed high tolerance for a broad range of substrates, giving a variety of carbinol derivatives with 2.0–3.0 mol % of the catalyst.

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