手性salen催化剂是不对称催化反应中的一类先进催化剂,固载化是解决其回收的一种手段.但所报道的超细颗粒基体固载的催化剂分离困难,非均相催化反应体系传质受限,提出以多孔膜固载催化剂并构建膜反应器的解决思路;针对新型手性salen-Mn(Ⅲ)催化功能陶瓷膜反应器的构建,探究了陶瓷膜接枝修饰改性中硅烷偶联剂的种类、接枝反应的溶剂和温度,以及催化苯乙烯不对称环氧化反应中氧化剂间氯过氧苯甲酸的用量、催化反应温度等关键因素对膜反应器催化性能的影响.通过XPS(X射线光电子能谱)分析,证明在陶瓷膜的膜孔道内引入了salen-Mn(Ⅲ)催化剂.在优化反应条件下,膜反应器催化苯乙烯环氧化反应的转化率为21.7％,ee值达43.1％.
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