Abstract
Solvolysis of several water soluble indium(III) porphyrins is catalyzed by both protons and anions. For indium(III)-tetrakis-(4-sulfonato-phenyl)porphyrin, the anion effect is in the order Cl, Br, SCN > ClO 4, BF 4, HSO 4. In HClO4/NaCl, Rate=k(In3+P) (Cl)2 (ho)2.2