Abstract
Three-star compounds: The title reaction of β-ketoamides, acrolein, and aminophenols, catalyzed by a bifunctional thiourea-tertiary amine organocatalyst, enables the preparation of an enantioenriched diazabicyclo[2.2.2]octanone (2,6-DABCO) scaffold. The chemoselective reaction sequence installs five new bonds and three stereocenters, two of which are contiguous tetrasubstituted centers, with excellent yields and high levels of stereocontrol. M.S.=molecular sieves.
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