Porphyrin-metal complexes and oxygen infusions containing the same

摘要

A porphyrin metal complex that can form a stable oxygen complex and acts effectively as an oxygen infusion, which comprises: a transition metal ion M of period 4 or 5 coordinating to a porphyrin derivative represented by the following general wherein R¹ is an alicyclic hydrocarbon group which may contain a substituent, R² is an alkylene group and R³ is a group which does not hinder the coordination of an imidazolyl group to M.