Efficient photochemical oxetane formation from 1-methyl-2,4,5-triphenylimidazole and benzophenones期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Efficient photochemical oxetane formation from 1-methyl-2,4,5-triphenylimidazole and benzophenones

Authors:	Yoshikatsu Ito Meng Ji-Ben Shin Suzuki Yoshitaka Kusunaga Teruo Matsuura Keiichi Fukuyama

Affiliation:	Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University, Kyoto 606, Japan;Faculty of Engineering, Tottori University, Koyama-Cho, Tottori 680, Japan

Abstract:	In contrast to simple imidazoles, 1-methy1–2,4,5-triphenylimidazole ( $1$ ) produced stable oxetane photoadducts $3b$ - $e$ with good efficiency upon irradiation in the presence of benzophenone derivatives $2b$ - $e$ in acetonitrile solution. Irradiation in the solid-phase was also studied. The oxetanes $3b$ - $e$ readily underwent cycloreversion by acid catalysis or by heating.

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