吡喃盐是一类具有独特化学反应活性和光物理性质的杂环化合物,在有机合成、生物传感和光电材料等许多领域展现了良好的应用前景.结合本课题组的研究成果,综述了α-非活性吡喃盐和α-活性吡喃盐化合物的合成研究进展,并介绍了一些典型吡喃盐化合物在有机合成、光敏剂、离子液体和荧光传感材料等领域的应用. Pyranyl salts are a class of heterocyclic compounds with unique chemical reactivity and photophysical properties, which have shown promising applications in many fields such as organic synthesis, biosensing and optoelectronic materials. Combined with the research results of our group, - Progress in the synthesis of non-active pyran salts and α-active pyranium salts. The applications of some typical pyranium salts in organic synthesis, photosensitizers, ionic liquids and fluorescence sensing materials are also introduced.