Keywords
addition reaction
aldehydes
arylboronic acids
benzylic alcohols
green solvent
Rhodium catalysis
γ-valerolactone
Abstract
A simple rhodium-catalyzed addition reaction of aldehydes with arylboronic acids in aqueous γ-valerolactone provides the corresponding benzylic alcohols in moderate to good yields. Other organoboron reagents (boronic esters, aryl-trifluoroborates, etc.) also showed good compatibilities, albeit with relatively lower yields.
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