IntroductionThesynthesesandcharacterizationofporphyrinsandmetalloporphyrinshavebeenstudiedextensively[1].Hemoglobin,myoglobinorcytochromeP450,hasbeenappliedasamodelcompound[2].WongC.P.etal.[3]synthesizedthefirstlanthanideporphyrin,acetylacetonatetetraphenylporphyrineuropium,in1974.