作者:R.P. Soni、M.L. Jain
DOI:10.1016/0040-4039(80)80180-8
日期:1980.1
A new synthesis of fluorinated 4H-1,4-benzothiazines is being reported for the first time, obtained by condensing O-aminobenzenethiol with fluorinated β-diketones. An oxidative cyclisation mechanism, involving an intramolecular nucleophilic attack in an intermediate enamine system is suggested.
首次报道了一种新的氟化4H-1,4-苯并噻嗪的合成方法,该方法是通过将O-氨基苯硫醇与氟化β-二酮缩合获得的。提出了一种氧化环化机制,其中涉及中间烯胺体系中的分子内亲核攻击。