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Communication | Regular issue | Vol 43, No. 6, 1996, pp.1185-1188
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7452
Dye-sensitized Photooxidation of 2,4-Disubstituted Imidazoles: The Formation of Isomeric Imidazolinones

Shigeo Kai and Mikio Suzuki*

*Gifu Pharmaceutical University, 6-1, Mitahora-Higashi 5-Chome, Gifu 502, Japan


The photooxidation of 2,4-disubstituted imidazoles (1) in MeOH using hematoporphyrin as a sensitizer afforded isomeric 3-imidazolin-5-ones (2) and 2-imidazolin-4-ones (3).