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Synfacts 2010(5): 0610-0610
DOI: 10.1055/s-0029-1219733
DOI: 10.1055/s-0029-1219733
Polymer-Supported Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Photocatalytic Synthesis of Benzimidazoles on Pt@TiO2 Nanoparticles
Y. Shiraishi*, Y. Sugano, S. Tanaka, T. Hirai
Osaka University and Kansai University, Japan
Further Information
Publication History
Publication Date:
22 April 2010 (online)
Significance
A one-pot catalytic synthesis of benzimidazoles 3 from ortho-arylenediamines 1 and alcohols 2 with Pt@TiO2 nanoparticles is described. Thus, the reaction of 1 with 2 was carried out in the presence of Pt@TiO2 under photoirradiation to give the corresponding products 3 in 82-99% yield. The Pt@TiO2 nanoparticles were reused three times without any loss of catalytic activity.