在SBA-15上支持的基希夫基复合物作为可重复使用的支持催化剂在Heck合反应中
Amin Darabi1, Mohsen Nikoorazm1, Bahman Tahmasbi1
1Department of Chemistry, Faculty of Science, Ilam University P. O. Box 69315516 Ilam Iran m.nikorazm@ilam.ac.ir b.tahmasbi@ilam.ac.ir.
Nanoscale advances
|February 13, 2026
概括
一个在中孔SBA-15 (SBA-15@bis(HBAPPM) -Pd) 上支持的新型基希夫基复合物有效催化了Heck C-C合反应. 这种可重复使用的纳米催化剂显示出出色的产量,并促进绿色化学原理.
科学领域:
- 材料科学:新型异质催化剂的合成和表征.
- 有机化学:在Heck C-C合反应中的应用.
- 绿色化学:开发可回收的催化系统.
背景情况:
- 像SBA-15这样的半孔材料具有很大的表面积和可调节的多孔性,以支持催化剂.
- 希夫基联结物在催化应用中协调金属离子方面具有多功能.
- 催化交叉合反应对于有机合成中C-C键的形成至关重要.
研究的目的:
- 为了合成和表征一种新型异质催化剂,该催化剂在功能化的SBA-15上固定.
- 为了评估Heck C-C合反应中SBA-15@bis(HBAPPM) -Pd复合物的催化活性.
- 评估合成纳米催化剂的可回收性和稳定性,用于绿色化学应用.
主要方法:
- 合成SBA-15半孔和表面修饰与3-aminopropyltriethoxysilane (APTES) 的合成.
- 将合成的希夫基连接体 (bis(HBAPPM)) 固定在修改后的SBA-15上.
- 在功能化支上浸来形成SBA-15@bis(HBAPPM) -Pd催化剂.
- 使用EDX,XRD,SEM,FT-IR,TGA,ICP和BET等技术进行表征.
- 在Heck C-C合反应中测试催化剂与各种烯化物和烯.
主要成果:
- 合成的SBA-15@bis(HBAPPM) -Pd催化剂已成功准备和表征.
- 催化剂在Heck C-C合反应中表现出极好的催化活性,在高产量中产生所需产品.
- 异质催化剂表现出良好的可回收性,易于分离和重复使用,可用于多个反应周期.
结论:
- 开发的SBA-15@bis(HBAPPM) -Pd纳米催化剂是Heck C-C合的有效和可重复使用的异质催化剂.
- 催化剂的性能和可回收性符合绿色化学的原则,提供了一个可持续的替代品.
- 这项研究突出了功能化半孔二氧化作为有机合成中催化剂的支持的潜力.
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