Enantioselective Synthesis of Endocyclic β-Amino Acids with Two Contiguous Stereocenters via Hydrogenation of 3-Alkoxycarbonyl-2-Substituted Quinolines

Abstract

An enantioselective iridium-catalyzed hydrogenation of 3-alkoxycarbonyl-2-substituted quinoline derivatives is described. This methodology provides a convenient route to enantiopure endocyclic β-amino acids with two contiguous stereocenters with up to 90% ee.

Key words

β-amino acids - iridium - asymmetric hydrogenation - functionalized quinolines

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