SEARCH Articles Figures Tables FEIST - BENARY Furan synthesis Feist pyrrole ring synthesis Feist-Benary Feist-Benary furan Feist-Benary reaction Feist-Benary synthesis Feist-Binary furan synthesis Feist’s acid Feist’s ester Feist’s ester sigmatropic rearrangement Interrupted Feist-Benary Interrupted Feist-Benary reaction Ozonation of Feist’s ester