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Citation: Hajime Maeda, Mio Yamamoto, Hideyuki Nakagawa, Kazuhiko Mizuno. Photodimerization and photooxygenation of 9-vinylcarbazole catalyzed by titanium dioxide and magnesium perchlorate[J]. Chinese Chemical Letters, ;2010, 21(3): 365-368. doi: 10.1016/j.cclet.2009.11.020 shu

Photodimerization and photooxygenation of 9-vinylcarbazole catalyzed by titanium dioxide and magnesium perchlorate

a Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan;
b Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan

Received Date: 15 July 2009

Fund Project: This work was financially supported by a Grant-in-Aid for Scientific Research on Priority Areas "Fundamental Science and Technology of Photofunctional Interfaces (417)"(Nos. 14050085, 15033264, 17029058) and the Cooperation for Innovative Technology and Advanced Research in Evolutional Area (CITYAREA) program from the Ministry of Education, Culture, Sports, Science and Technology of Japan.We also thank Ishihara Sangyo Co., Ltd. for donating the TiO₂.

Photoreaction of 9-vinylcarbazole in acetonitrile in the presence of titanium dioxide and a catalytic amount of magnesium perchlorate gave 3,6-di(9-carbazolyl)-1,2-dioxane as a photooxygenated product via photodimerization of 9-vinylcarbazole. The photoreaction proceeds via an electron transfer mechanism, where magnesium perchlorate accelerated formation of the photo-oxygenated product.
- Titanium dioxide,
- Magnesium perchlorate,
- 9-Vinylcarbazole,
- Photooxygenation,
- Photodimerization
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