通过对缓蚀性能优异的苄基喹啉季铵盐二聚体（BQD）的合成路径进行优化，大幅度提高其在合成产物中的含量。通过调整底物配比、温度、溶剂极性以及催化剂种类和用量等手段，实现优选吲哚嗪衍生物的实验室及工业制备路线的绿色化和原子经济化改良，具体数据围绕缓蚀性能优良的目标衍生物合成筛选展开。

The synthetic pathway of benzylquinoline quaternary dimer (BQD) with excellent corrosion inhibition properties was optimized to substantially increase its content in the synthesized products. The green and atom-economical improvement of the laboratory and industrial preparation routes of the preferred indolizine derivatives was achieved by means of adjusting the substrate ratios, temperatures, solvent polarity, and catalyst types and dosages, and the specific data revolve around the synthetic screening of the target derivatives with excellent corrosion inhibition properties.