Enantioselective synthesis of δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides via DKR–ATH: application to the synthesis of advanced intermediate of (−)-brevisamide
Enantioselective synthesis of δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides via DKR–ATH: application to the synthesis of advanced intermediate of (−)-brevisamide
Enantioselective synthesis of δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides via DKR–ATH: application to the synthesis of advanced intermediate of (−)-brevisamide
A method of preparing stereodefined δ-/γ-alkoxy-β-hydroxy-α-alkyl-substituted Weinreb amides containing two successive hydroxyl-alkyl stereocenters has been developed. Further, this strategy coupled with organo-catalyzed asymmetric epoxidation culminates in the synthesis of a critical intermediate of (â)-brevisamide and its diastereomers.