Unusual ring annulation during condensation of acetylacetone with pyrrole
Unusual ring annulation during condensation of acetylacetone with pyrrole
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Date
2009-02-25
Authors
Mahanta, Sanjeev P.
Panda, Pradeepta K.
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Abstract
During the attempted synthesis of bisdipyrromethane from acid-catalyzed condensation of acetylacetone with pyrrole, an unexpected ring annulation led to the formation of 2,3-dihydro-1H-pyrrolizine-bridged bipyrrole. © 2008 Elsevier Ltd. All rights reserved.
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Tetrahedron Letters. v.50(8)