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Synthesis,structure,and host-guest chemistry of a pair of isomeric selenanthrene-bridged molecular cages
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作者 Wanqian Lv yunyi song +2 位作者 Xinyuan Lv Jun Yuan Kelong Zhu 《Chinese Chemical Letters》 SCIE CAS CSCD 2023年第11期143-146,共4页
A pair of selenanthrene-bridged molecular cages have been constructed through a one-step cyclization reaction of a tetrakis(iodo) crown ether with selenium powder. The tubular belt-shaped cage has an intrinsic cavity ... A pair of selenanthrene-bridged molecular cages have been constructed through a one-step cyclization reaction of a tetrakis(iodo) crown ether with selenium powder. The tubular belt-shaped cage has an intrinsic cavity which can adaptively transform to accommodate electron-deficient guests forming [2]pseudorotaxane complexes. The other product was determined to be an isomeric cage featuring a Mobius strip structure, which exhibits slower twist-migration dynamics than its thianthrene counterpart. The success of using selenanthrene as joints enables an alternative way to structural design and property regulation of molecular cages. 展开更多
关键词 Selenanthrene Crown ether Molecular cage Mobius strip Host-guest chemistry
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