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Communication | Regular issue | Vol 9, No. 11, 1978, pp.1549-1554
Published online, 1st January, 1970
DOI: 10.3987/R-1978-11-1549
Photo-sensitized Oxygenation of 1H-1,2-Benzodiazepines

Takashi Tsuchiya,* Jyoji Kurita, and Kazuko Takayama

*School of Pharmacy, Hokuriku University, 3-Ho, Kanagawa machi, Kanazawa 920-1181, Japan


The dye-sensitized photooxygenation of 1H-1,2-benzodiazepines (6) and 1-methyl-1H-1,2-benzodiazepines (18) affords fragment products (7) to (11) and (20), respectively, which may be formed via 3- and 5-hydroperoxides. The other possible dioxides and their decomposition products are not obtained.