oxygen; 5,15,10,20-tetraphenylporphyrin in tetrachloromethane Ambient temperatureIrradiation; Yield given. Title compound not separated from byproducts;
Shobana, N.; Amirthavalli, M.; Deepa, V.; Shanmugam, P.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 965 - 966