Abstract Praseodymium (III) and dysprosium (III) isonicotinamide (INA) complexes grafted onto modified mesoporous MCM-41 with 3-chloropropyltriethoxysilane (CPTES)), as two novel catalysts, were synthesized. The catalysts were determined using SEM, Mapping, EDX, FT-IR, TGA, XRD, ICP, and BET analysis. The catalysts (MCM-41-INA-Pr and MCM-41-INA-Dy) were further studied for the oxidation reaction of sulfur-containing compounds. Catalytic results displayed that the MCM-41-INA-Pr and MCM-41-INA-Dy show high effectiveness for promoting the oxidation reaction of sulfur-containing compounds. The catalysts could be recycled for seven runs with negligible destruction of catalytic performance.

中文翻译：

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在修饰的介孔 MCM-41 上接枝镨 (III) 和镝 (III) 异烟酰胺 (INA) 复合物催化下，硫化物和硫醇选择性和有效地氧化为相应的亚砜和二硫化物

摘要 合成了用 3-氯丙基三乙氧基硅烷 (CPTES) 接枝到改性介孔 MCM-41 上的镨 (III) 和镝 (III) 异烟酰胺 (INA) 配合物作为两种新型催化剂。使用SEM、Mapping、EDX、FT-IR、TGA、XRD、ICP和BET分析确定催化剂。进一步研究了催化剂（MCM-41-INA-Pr 和 MCM-41-INA-Dy）用于含硫化合物的氧化反应。催化结果表明，MCM-41-INA-Pr 和 MCM-41-INA-Dy 在促进含硫化合物的氧化反应方面表现出很高的效率。催化剂可以循环使用七次，对催化性能的破坏可以忽略不计。