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Synthesis 1987; 1987(4): 353-357
DOI: 10.1055/s-1987-27941
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Condensation of Conjugated Enones With Diethyl Aminomalonate: A New and Convenient Access to 2,2-Bis(ethoxycarbonyl)-3,4-dihydro-2H-pyrroles

Gaston Bedel Itoua* , Jean-Yves Laronze
  • *Laboratoire de Transformations et Synthèses de Substances Naturelles U.A. C.N.R.S. No 492 - Faculté de Pharmacie, Université de Reims, 51 rue Cognacq-Jay, F-51096 Reims Cédex, France
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Publikationsdatum:
20. August 2002 (online)

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2,2-Bis-(ethoxycarbonyl)-3,4-dihydro-2H-pyrroles are prepared from conjugated enones and diethyl aminomalonate by a one-step cyclocondensation reaction. Reduction of the products with sodium cyanoborohydride affords the corresponding pyrrolidines.