Stereoselective conjugate addition of aryl- and alkenylboronic acids to acyclic gamma,delta-oxygen-substituted alpha,beta-enoates.

Abstract

The substrate-controlled RhI-catalyzed conjugate addition of aryl- and alkenylboronic acids to alpha,beta-unsaturated esters which bear gamma- and delta-oxygen substituents takes place in a highly anti diastereoselective fashion either when using gamma-hydroxyl unprotected starting materials or when the gamma-oxygen substituent is protected with a nonbulky… (More)

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