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Photooxygenation of pyrazin-2(1h)-ones |
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| Authors: | Takehiko Nishio Naoko Nakajima Yoshimori Omote |
| Affiliation: | Department of Chemistry, University of Tsukuba, Sakura-mura, Niihari-gun, Ibaraki, 305, Japan |
| Abstract: | 1-Alkyl-5,6-diphenylpyra2in-2(1H)-ones (1a-b) reacted with singlet oxygen in dichloromethane to afford the stable endoperoxide (1a-b), while in methanol to afford the 1:1-adduct (3a-b) of the endoperoxide (2a-b) and methanol. |
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