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.

順酐酸酐衍生物可以通過在順酐酸酐的分子結構上引入不同的官能團來得到。這些官能團可以改變順酐酸酐的性質和反應特性，使其在不同的領域具有廣泛的應用。常見的順酐酸酐衍生物包括順-氨基丁二酸酐、順-苯二甲酸酐、順-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.

順酐酸酐衍生物在化學領域中具有重要的用途，例如可用作催化劑、聚合反應的起始劑、功能材料的合成等。此外，順酐酸酐衍生物還具有一定的生物活性，因此在藥物領域也有一定的應用價值。通過對順酐酸酐衍生物的研究和開發，可以拓寬有機化學的應用范圍，并促進科學技術的發展。

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.