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Communication | Regular issue | Vol 31, No. 12, 1990, pp.2103-2106
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5596
Convenient and Selective Synthesis of 4-Trifluoromethylimidazoles

Yasuhiro Kamitori, Masaru Hojo,* Ryoichi Masuda, Yoshihiko Kawamura, and Xie Fand

*Department of Industrial Chemistry, Faculty of Engineering, Kobe University, Rokkodai-cho, Nada-ku, Kobe 657-8501, Japan

Abstract

Thermally induced cyclization of 3-aryl-1,1,1-trifluoropropane-2,3-dione 2-dimethylhydrazones (5) which can be readily prepared from correspondign arenecarbaldehyde afforded selectively the title compounds (3) in high yields without formation of the regioisomers