a Department of Chemistry, Penn State Brandywine, 25 Yearsley Mill Road, Media, PA 19063, USA b Department of Chemistry, The Pennsylvania State University, 104 Chemistry Building, University Park, PA 16802, USA
Abstract:
Amino/imino tautomerism is observed in secondary 2-aminopyrroles when an electron-withdrawing group is on the amino group. The amino tautomer was favored in solvents that were hydrogen bond acceptors.