An approach to molecular nanotubes of a new type based on bisthiacalix[4]arene with ethylene sulfide bridges in cone stereoisomeric form has been suggested and implemented. This ligand has shown selective liquid-phase extraction of Ag+.

中文翻译：

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基于双硫杯[4]芳烃和乙硫醚桥的Ag选择性纳米管

已经提出并实施了一种基于具有锥形立体异构形式的乙硫醚桥的双硫杯[4]芳烃的新型分子纳米管的方法。该配体已显示出 Ag+ 的选择性液相萃取。