Protonation of 5,10,15,20-Tetrakis(4-sulfonatophenyl)porphine in Water

V. B. Sheinin,^a@ S. A. Shabunin,^a E. V. Bobritskaya,^a O. I. Koifman^a,b

^aInstitute of Solution Chemistry of Russian Academy of Sciences, 153045 Ivanovo, Russia
^bIvanovo State University of Chemistry and Technology, 153000 Ivanovo, Russia

^@Corresponding author E-mail: vbs@isc-ras.ru

Macroheterocycles 2011 4(2) 80-84

DOI: 10.6060/mhc2011.2.02

Protonation equilibriums of the porphyrin core (H2P) in 5,10,15,20-tetrakis(4-sulfonatophenyl)porphine (H₂P(PhSO₃^-)₄) with perchloric acid in water were investigated by methods of spectropotentiometry and computer chemistry (DFT/B3LYP and РМ3).

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