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近年来制备的一系列尿素/硫脲/硒脲-阴离子主体晶格包合物中,尿素及其衍生物与许多不同种类的阴离子共同生成多样化的主体晶格,客体则是多种对称的季铵、季鏻阳离子以及一些不对称的季铵阳离子.结果表明加入各种不同的阴离子后,无论含不含结晶水或亲水的中性分子,由于这些不同形状的板块或它们的组合的加入,使新型的复合主体晶格改变了这些尿素衍生物单独作为主体分子的包合物中单一的一维管状结构,显示出多种多样的包合形式,如孤立的笼状网络结构、交叉的管道体系、双管道体系、双层体系、波形层状体系及典型的单向管道和三明治层型结构等.
In recent years, a series of urea / thiourea / selenourea-anion host lattice inclusions prepared in a series of urea and its derivatives and many different types of anions co-generate a variety of host lattice, the guest is a variety of symmetrical Quaternary ammonium, quaternary phosphonium cations and some asymmetric quaternary ammonium cations The results show that with the addition of a variety of anions, whether they contain no neutral water or crystalline hydrophilic molecules, due to these different shapes of plates or their combinations , The novel composite host lattice changes the single one-dimensional tubular structure of the inclusion complexes of these urea derivatives alone as the host molecule, showing a variety of inclusion forms such as isolated cage-like network structures, cross Pipe system, two-pipe system, two-layer system, corrugated layered system and typical unidirectional pipe and sandwich structure.