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Photoinduced electron-transfer systems consisting of electron-donating pyrenes or anthracenes and benzimidazolines for reductive transformation of carbonyl compounds |
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| Authors: | Eietsu Hasegawa Shinya Takizawa Akira Yamaguchi Naoki Chiba Hiroshi Ikeda |
| Affiliation: | a Department of Chemistry, Faculty of Science, Niigata University, Ikarashi, Niigata 950-2181, Japan b Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan c Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan |
| Abstract: | Photoinduced electron-transfer reactions of several ketone substrates were studied to evaluate the utilities of 1,6-bis(dimethylamino)pyrene (BDMAP), 1,6-dimethoxypyrene (DMP), 9,10-bis(dimethylamino)anthracene (BDMAA), and 9,10-dimethoxyanthracene (DMA) as electron-donating sensitizers cooperating with 2-aryl-1,3-dimethylbenzimidazolines. BDMAP and DMP generally led higher conversion of ketones and better yield of reduction products compared to BDMAA and DMA. |
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