无孔的有机固体能够动态溶解二多醇的混合物
Pierangelo Metrangolo1, Yvan Carcenac, Manu Lahtinen
1Laboratory of Nanostructured Fluorinated Materials, Department of Chemistry, Materials, and Chemical Engineering Giulio Natta, Politecnico di Milano, via L. Mancinelli 7, 20131 Milan, Italy. pierangelo.metrangolo@polimi.it
Science (New York, N.Y.)
|March 17, 2009
概括
有机盐可以通过素结合选择性地捕获化化合物. 这种宿主-客户系统提供了一种可逆的方法来隔离有价值的工业中间体,如α,omega-diiodoperfluoroalkanes (DIPFAs).
科学领域:
- 超分子化学 超分子化学
- 材料科学 材料科学 材料科学
- 有机化学 有机化学
背景情况:
- 素结合是构建宿主-客体固体的关键相互作用.
- 有机盐具有作为适应性宿主材料的潜力.
研究的目的:
- 调查使用二甲基 (三甲基) 二化物作为阿尔法,欧米-二多醇干 (DIPFA) 的宿主.
- 通过素结合来证明DIPFAs的选择性封装和释放.
主要方法:
- 使用 bis ((trimethylammonium) 二氧化作为宿主盐.
- 使用溶液结晶和蒸汽相捕获用于DIPFA隔离.
- 描述宿主-客人复合体的形成和解离.
主要成果:
- 双 (三甲基) 二氧化物通过I-··I素结合选择性地封装DIPFAs.
- 封装在DIPFA宿主和DIPFA客人之间是大小匹配的.
- 从混合物中通过结晶和蒸汽捕获将DIPFAs分离出来.
- 通过温度变化,可以实现DIPFA的可逆捕获和释放.
结论:
- 这种主机-客户系统提供了一种选择性和可逆的方法来分离工业相关的DIPFA.
- 该过程利用素结合来实现高效的分子识别和分离.
- 该系统显示了工业分离应用的实际潜力.
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