Unusual ring annulation during condensation of acetylacetone with pyrrole
作者:Sanjeev P. Mahanta、Pradeepta K. Panda
DOI:10.1016/j.tetlet.2008.12.033
日期:2009.2
During the attempted synthesis of bisdipyrromethane fromacid-catalyzed condensation of acetylacetone with pyrrole, an unexpected ring annulation led to the formation of 2,3-dihydro-1H-pyrrolizine-bridged bipyrrole.