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DOI: 10.1055/s-2005-861838
One-Pot Synthesis of Polysubstituted Pyrrolidines from Aminonitriles
Publication History
Publication Date:
21 February 2005 (online)
Abstract
α-Aminonitriles with a mono- or unsubstituted amino group as well as α-(alkylideneamino)nitriles can be employed as easily accessible α-aminocarbanion equivalents. Their α-deprotonation yields stabilized carbanions, which undergo smooth 1,4-addition to α,β-unsaturated carbonyl compounds. The resulting δ-keto-α-aminonitriles can be reductively cyclized to form polysubstituted pyrrolidines.
Key words
pyrrolidines - aminonitriles - Michael additions - reductions - combinatorial chemistry
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CCDC-244752 and CCDC-244753 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB2 1EZ, UK; Fax (internat.): +44(1223)336033; E-mail: deposit@ccdc.cam.ac.uk).