Azomethine ylide cycloaddition of 1,3-dienyl esters: highly regio- and diastereoselective synthesis of functionalized pyrrolidinochromenes

Abstract

An efficient protocol for the synthesis of tricyclic pyrolidinochromenes has been developed via an intramolecular 1,3-dipolar cycloaddition of azomethine ylides generated in situ from 1,3- dienyl ester tethered O-hydroxyarylaldehyde and...