Design and synthesis of self-included pillar[5]arene-based bis-[1]rotaxanes

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英文篇名：Design and synthesis of self-included pillar[5]arene-based bis-[1]rotaxanes 作者：Mengjun ; Wang ; Xusheng ; Du ; Huasheng ; Tian ; Qiong ; Jia ; Rong ; Deng ; Yahan ; Cui ; Chunyu ; Wang ; Kamel ; Meguellati 英文作者：Mengjun Wang;Xusheng Du;Huasheng Tian;Qiong Jia;Rong Deng;Yahan Cui;Chunyu Wang;Kamel Meguellati;International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University;State Key Laboratory of Supramolecular Structure and Materials, Jilin University; 英文关键词：Pillar[5]arene;;Bis-[1]rotaxane;;Host-guest interactions;;Supramolecular architectures;;Self-assembly 中文刊名：FXKB 英文刊名：中国化学快报(英文版) 机构：International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University;State Key Laboratory of Supramolecular Structure and Materials, Jilin University; 出版日期：2019-02-15 出版单位：Chinese Chemical Letters 年：2019 期：v.30 基金：NMAC, College of Chemistry at Jilin University 语种：英文; 页：FXKB201902014 页数：4 CN：02 ISSN：11-2710/O6 分类号：95-98

摘要

Two strategies for the design of new pillar[5]arene-based mechanically self-interlocked molecules (MSMs) are reported here. The first strategy is based on the construction of an intermediate pseudo[1]rotaxane followed by the desired bis-[l]rotaxane. The other one is based on the construction of the desired bis-[1]rotaxane directly via a condensation reaction through host-guest interactions between a mono-functionalized pillar[5]arene and the axle. The newly synthesized bis-[1]rotaxane BR was characterized by ~1H NMR, ~(13)C NMR, 2D NMRs (~1H-~(13)C HSQC,~1H-~1H COSY and NOESY) and LC-ESI-MS,which indicated compound BR displayed an self-interlocked structure in CDCl_3. Surprisingly, the results of SEM, TEM and DLS showed that the compound BR could assemble into spherical nanoparticles in MeOH.
        Two strategies for the design of new pillar[5]arene-based mechanically self-interlocked molecules (MSMs) are reported here. The first strategy is based on the construction of an intermediate pseudo[1]rotaxane followed by the desired bis-[l]rotaxane. The other one is based on the construction of the desired bis-[1]rotaxane directly via a condensation reaction through host-guest interactions between a mono-functionalized pillar[5]arene and the axle. The newly synthesized bis-[1]rotaxane BR was characterized by ~1H NMR, ~(13)C NMR, 2D NMRs (~1H-~(13)C HSQC,~1H-~1H COSY and NOESY) and LC-ESI-MS,which indicated compound BR displayed an self-interlocked structure in CDCl_3. Surprisingly, the results of SEM, TEM and DLS showed that the compound BR could assemble into spherical nanoparticles in MeOH.

引文

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