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  • Regioselective Substituent Effects upon the Synthesis of Dipyrrins from 2-Formyl Pyrroles 

    Regioselective Substituent Effects upon the Synthesis of Dipyrrins from 2-Formyl Pyrroles. Beh, M.H.R.; Figliola, C.; Lund, K-l. A.R.; Kajetanowicz, A.K.; Johnsen, A.E.; Aronitz, E.M.; Thompson, A. Can. J. Chem. 2018, 96, 779-784, special issue to honour Dalhousie’s 200th anniversary (NSERC). https://doi.org/10.1139/cjc-2017-0662
    The synthesis of symmetric α-free meso-H-dipyrrin hydrobromides from 5-H-2-formyl pyrroles was investigated. The self-condensation produces regioisomeric dipyrrins through the adoption of two mechanistic pathways. The key ...