A new synthesis of pyrroles by the condensation of cyclopropenes and nitriles mediated by gallium(III) and indium(III) salts |
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Authors: | Araki Shuki Tanaka Takashi Toumatsu Shinya Hirashita Tsunehisa |
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Institution: | Omohi College, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 466-8555, Japan. araki@ach.nitech.ac.jp |
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Abstract: | Gallium(III) and indium(III) halides were found to mediate the condensation of cyclopropenes and nitriles to give pyrrole derivatives in moderate yields. When excess nitrile was present, diazepine was also formed. |
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