Planar Chiral Tricarbonylchromium Complexes: Asymmetric Aza-Diels-Alder Reaction and Intramolecular Radical Cyclization to Indolizines and Quinolizidines
- 1 March 1996
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1996 (03) , 270-272
- https://doi.org/10.1055/s-1996-5385
Abstract
Highly diastereoselective Lewis acid mediated aza-Diels-Alder reactions of planar chiral Cr(CO)3 complexes of o-substituted benzaldehyde imines are reported. Enantio- and diastereopure complexes of 2-aryl-2,3-dihydro-4-pyridinones obtained via this route undergo intramolecular radical cyclization to the title compounds with complete diastereoselectivity.Keywords
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