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A self-complementary macrocycle by a dual interaction system
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DOI：10.1038/s41467-022-33357-y.png)
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摘要
En 中文
Self-complementary assembly is one of the most promising phenomena for the formation of discrete assemblies, e.g., proteins and capsids. However, self-complementary assembly based on multiple host-guest systems has been scarcely reported due to the difficulty in controlling each assembly. Herein, we report a dual interaction system in which the key assembly direction is well regulated by both pi-pi stacking and hydrogen bonding to construct a self-complementary macrocycle. Continuous host-guest behavior of anthracene-based molecular tweezers during crystallization leads to successful construction of a cyclic hexamer, which is reminiscent of Kekule's monkey model. Furthermore, the cyclic hexamer in a tight and triple-layered fashion shows hierarchical assembly into cuboctahedron and rhombohedral assemblies in the presence of trifluoroacetic acid. Our findings would be potentially one of metal-free strategies for constructing anthracene-based supramolecular assemblies with higher-order structure.
Keyword:
HOST-GUEST
ALGORITHM
STACKING
COMPLEX
BINDING
LIGAND
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期刊
IF:
15.7
论文数:
9.4W
被引数:
91.2W
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