Abstract An efficient, green and environmentally friendly grindstone method for the synthesis of 2-arylbenzothiazole derivatives in the presence of urea nitrate as the catalyst under solvent-free conditions was developed. All products were characterized by elemental analysis and spectral methods.

中文翻译：

---

使用磨石技术硝酸脲催化合成2-芳基苯并噻唑

摘要 开发了一种以硝酸脲为催化剂、无溶剂条件下高效、绿色、环保的磨石法合成2-芳基苯并噻唑衍生物。所有产品均通过元素分析和光谱方法表征。