Maleic anhydride derivatives refer to compounds obtained by structural modification of maleic anhydride. Maleic anhydride is an organic compound with the chemical formula C4H2O3 and a cyclic structure. It has strong electrophilicity and reactivity, and can be used to synthesize various important organic compounds.

顺酐酸酐衍生物可以通过在顺酐酸酐的分子结构上引入不同的官能团来得到。这些官能团可以改变顺酐酸酐的性质和反应特性，使其在不同的领域具有广泛的应用。常见的顺酐酸酐衍生物包括顺-氨基丁二酸酐、顺-苯二甲酸酐、顺-聚乙二醇酐等。

Maleic anhydride derivatives can be obtained by introducing different functional groups into the molecular structure of maleic anhydride. These functional groups can alter the properties and reaction characteristics of maleic anhydride, making it widely applicable in different fields. Common derivatives of maleic anhydride include cis aminosuccinic anhydride, cis phthalic anhydride, cis polyethylene glycol anhydride, etc.

顺酐酸酐衍生物在化学领域中具有重要的用途，例如可用作催化剂、聚合反应的起始剂、功能材料的合成等。此外，顺酐酸酐衍生物还具有一定的生物活性，因此在药物领域也有一定的应用价值。通过对顺酐酸酐衍生物的研究和开发，可以拓宽有机化学的应用范围，并促进科学技术的发展。

Maleic anhydride derivatives have important applications in the chemical field, such as being used as catalysts, initiators for polymerization reactions, and synthesis of functional materials. In addition, maleic anhydride derivatives also have certain biological activities, so they also have certain application value in the field of pharmaceuticals. The research and development of maleic anhydride derivatives can broaden the application range of organic chemistry and promote the development of science and technology.