期刊
NATURE COMMUNICATIONS
卷 11, 期 1, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/s41467-020-19677-x
关键词
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资金
- Shanghai Sailing Program [19YF1412900]
- Fundamental Research Funds for the Central Universities [M 2709-N28]
It has been a challenging topic and perpetual task to design and synthesize covalent macrocycles with characteristic self-assembling behaviors and excellent host-guest properties in supramolecular chemistry. Herein, we present a family of macrocyclic diphenylamine[n]arenes (DPA[n]s, n=3-7) consisting of methyldiphenylamine units through a facile one-pot synthesis strategy. Unlike many other reported macrocyclic arenes, the resultant non-planar DPA[n]s feature intrinsic -pi stacking interactions, interesting self-assembling behaviors and ethene/ethyne capture properties. Specifically, strong multiple intermolecular edge-to-face aromatic interactions in DPA[3] have been systematically investigated both in solid and solution states. The intriguing findings on the intermolecular edge-to-face stacking interaction mode in the macrocycle would further highlight the importance of noncovalent pi-pi interaction in supramolecular self-assembly. This study will also shed light on the macrocyclic and supramolecular chemistry and, we expect, will provide a direction for design and synthesis of covalent macrocycles in this area. The design of covalent macrocycles which show characteristic self-assembly behaviour and host-guest properties is challenging. Here, the authors demonstrate the synthesis of diphenylamine[n]arenes through a one-pot synthesis and demonstrate the pi-pi pi stacking of the non-planar rings as well as ethane/ethyne host-guest interactions.
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