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A Schiff base formed from sulfanilic acid and dimethylformamide
A Hempel1, N Camerman, D Mastropaolo
1Department of Biochemistry, University of Toronto, Canada. andrew.hempel@utoronto.ca
Abstract:
The crystal structure the Schiff base contains one 4-dimethylaminomethyleneaminobenzenesulfonic acid molecule in zwitterionic form [4-(dimethylaminomethyleneammonio)benzenesulfonate], and one water molecule in the asymmetric unit (C9H12N2O3S.H2O). Protonation occurs at nitrogen atom N1, but the charge is delocalized.