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ChemInform Abstract: Synthesis of 2-Isoxazolines: Enantioselective and Racemic Methods Based on Conjugate Additions of Oximes.

✍ Scribed by Antti Pohjakallio; Petri M. Pihko; Ulla M. Laitinen

Publisher: John Wiley and Sons
Year: 2011
Weight: 55 KB
Volume: 42
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201107160

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✦ Synopsis

Abstract

Acidic anilinium salts catalyze the direct formation of racemic 2‐isoxazolines from enals and oximes by means of consecutive oxime conjugate‐addition and intramolecular oxime‐transfer reaction.

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## Abstract The configuration of the olefins has significant influence on the stereoselectivity: the (Z)‐isomer provides the highest yield and enantioselectivity, while the (E)‐isomer or the Z/E‐mixture afford poor results.