Chemical Research in Chinese Universities ›› 1998, Vol. 14 ›› Issue (2): 131-137.

• Articles • Previous Articles     Next Articles

Formation of Pyrrolidin-1-ylcyclopentadienes via Cyclization of Alkyl-2-Dimethoxyacetyl and 2-Ethoxalyl-4-oxopentanoates

ZHU Yi-qiang, TANG Hui-tong, ZHANG Pang   

  1. Department of Chemistry, Peking University, Beijing 100871
  • Received:1997-01-15 Online:1998-04-24 Published:2011-08-17

Abstract: The cyclizations of alkyl 2-dimethoxyacetyl and 2-ethoxalyl-4-oxopentanoates were only effected by means of pyrrolidine with the formation of appropriately substituted 1-pyrrolidin-1-ylcyclopentadienes.

Key words: Intramoleular aldol condensation, Enamine, Cyclopentadienamine