A mild and efficient procedure for alpha-bromination of ketones using N-bromosuccinimide catalysed by ammonium acetate |
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| Authors: | Tanemura Kiyoshi Suzuki Tsuneo Nishida Yoko Satsumabayashi Koko Horaguchi Takaaki |
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| Institution: | School of Dentistry at Niigata, The Nippon Dental University, Hamaura-cho, Niigata 951-8580, Japan. tanemura@ngt.ndu.ac.jp |
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| Abstract: | Cyclic ketones reacted with N-bromosuccinimide (NBS) catalysed by NH(4)OAc in Et(2)O at 25 degrees C to give the corresponding alpha-brominated ketones in good yields, while acyclic ketones were efficiently brominated in CCl(4) at 80 degrees C. |
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