Kunihiko Tajima, Kohji Tada, Masato Shigematsu, Kenji Kanaori, Nagao Azuma and Keisuke Makino
The benzoyl ester of an iron(III) meso-hydroxyoctaethylporphyrin complex, containing 18O derived from molecular oxygen, is isolated from the reaction solution of the complex [FeIII(oep)(OOH)(OH)]- which is prepared by reduction of [FeII(oep)(py)(18O2)] with sodium ascorbate.