5,10,15,20-Tetrakis(4-aminophenyl)porphyrin is porphyrin compound that is substituted with four 4-aminophenyl moieties. This porphyrin has been described as a useful ligand for the design of catalysts, and was used to prepare a manganese (III) complex for catalyzing oxidative decarboxylations of carboxylic acids with sodium periodate.