Halogenation of fluorinated cyclic 1,3-dicarbonyl compounds: new aspects of synthetic application
作者:Dmitri V. Sevenard、Mikhail Vorobyev、Vyacheslav Ya. Sosnovskikh、Helma Wessel、Olesya Kazakova、Vera Vogel、Nikolay E. Shevchenko、Valentine G. Nenajdenko、Enno Lork、Gerd-Volker Röschenthaler
DOI:10.1016/j.tet.2009.06.122
日期:2009.9
synthetic relevance of the polyhalogenated compounds obtained was demonstrated by the synthesis of several new heterocycles. An aromatization via a halogenation–dehydrohalogenation sequence proved to be a rewarding synthetic route to 2-(fluoroacyl)phenols and previously unknown 3-(fluoroacyl)thiochromones. The structure of one of the synthesized compounds was confirmed by X-ray diffraction analysis
为了详细说明以2-(氟代酰基)苯酚为基础的传统弗里斯重排方法的替代方法,研究了环状氟化1,3-二羰基在与卤化剂反应中的行为。通过几种新杂环的合成证明了所获得的多卤代化合物的合成相关性。通过卤化-脱氢卤化序列进行的芳构化被证明是合成2-(氟代酰基)苯酚和以前未知的3-(氟代酰基)硫代色酮的一种有价值的合成途径。通过X射线衍射分析确认了一种合成的化合物的结构。