Preparation of α-Bromoketones and Thiazoles from Ketones with NBS and Thioamides in Ionic Liquids

• 作 者: Yuhta Izumisawa Hideo Togo
• 机 构: 不详
• 出 处: 绿色与可持续化学(英文)
• 发表日期: 2011年3期
• 关键词: Ketone α-Bromoketone Thiazole NBS THIOAMIDE Ionic Liquid Ketoneα-BromoketoneThia

Ketones smoothly reacted with NBS in the presence of a catalytic amount of ptoluenesulfonic acid to give α-bromoketones in good yields in typical ionic liquids, such as [bmim]PF6 and [bmpy]Tf2N, and the ionic liquids could be repeatedly used for the same