Tandem N-alkylation/vinylogous aldol reaction of β,γ-alkenyl α-iminoester.

Org Lett

Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan.

Published: April 2014

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Article Abstract

This report describes a highly regioselective tandem N-alkylation/vinylogous aldol reaction of β,γ-alkenyl α-iminoesters. The sulfur group improves the regioselectivity of the directed vinylogous aldol reaction, providing a new synthetic method of 3-amino-2-pyrones.

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http://dx.doi.org/10.1021/ol5007983DOI Listing

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