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Synlett 2004(4): 711-713
DOI: 10.1055/s-2004-817743
DOI: 10.1055/s-2004-817743
LETTER
© Georg Thieme Verlag Stuttgart · New York
Unexpected Temperature, Time and Solvent Effects in the Catalytic Asymmetric aza-Diels-Alder Reaction of an Ethyl Glyoxylate-derived N-Aryl Imine with Danishefsky’s Diene Catalysed by a BINOL-Zinc Complex
Weitere Informationen
Publikationsverlauf
Received
27 November 2003
Publikationsdatum:
29. Januar 2004 (online)


Abstract:
The catalytic asymmetric aza-Diels-Alder reaction of an ethyl glyoxylate-derived N-aryl imine with Danishefsky’s diene using a BINOL-zinc complex provides the corresponding cycloadduct with moderate to high enantioselectivity, depending on the solvent, temperature and reaction time.
Key words
heterodienophile - Diels-Alder reaction - asymmetric induction - BINOL-zinc