Synthesis method of o-acylaniline sulfonamide compound

The invention discloses a synthesis method of a o-acylaniline sulfonamide compound. The preparation method is characterized by comprising the following steps: mixing a benzisoxazole compound as shownin a chemical formula I, a sodium sulfinate compound as shown in a chemical formula II, a metal catalyst and a solvent, and reacting to obtain the o-acylaniline sulfonamide compound as shown in a chemical formula III, in the formula, R1 is a monosubstituted or polysubstituted group on a benzene ring. The synthesis method can be used for efficiently synthesizing the o-acylaniline sulfonamide compound, has the advantages of simple synthesis steps, safety in operation, good compatibility of the synthesis method to functional groups and high atom economy, and is easy for industrial synthesis. 本发明公开了一种临酰基苯胺磺酰胺类化合物的合成方法，其特征在于，包括以下步骤：将如化学式I所示的苯并异噁唑化合物、如化学式II所示的亚磺酸钠化合物、金属催化剂和溶剂混合，反应得到如化学式III所示的临酰基苯胺磺酰胺类化合物；式中，R1为苯环上的单取代或多取代基。该合成方法能够高效合成临酰基苯胺磺酰胺类化合物，具有合成步骤简单、操作安全、合成方法对功能团兼容性好、原子经济性高的优点，并且易于工业化合成。