期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 1, 页码 998-1003出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b20108
关键词
molecular clip; crystalline materials; X-ray diffraction; host-guest chemistry; molecular crystal gearshift
资金
- National Natural Science Foundation of China [21871108, 51673084]
- Jilin Province-University Cooperative Construction Project Special Funds for New Materials [SXGJSF2017-3]
- Fundamental Research Funds for the Central Universities
- JLU Cultivation Fund for the National Science Fund for Distinguished Young Scholars
A new version of molecular clip, with a semi-rigid symmetrical crab type architecture and flexible cavity size, has been successfully designed and synthesized via a one-pot Friedel Crafts alkylation reaction. The X-ray single crystal diffraction data provide a simple and intuitive explanation, not only for its well-preorganized and regulated conformation but also for its selective and tunable guest-binding capability. For the first time, the newly designed molecular clip was demonstrated to be not only a controllable variable-speed nonporous adsorption material in solution iodine capture, but also capable of on off switching in volatile iodine capture. The presented new concept of molecular crystal gearshift directly from the molecular clip crystals represents an important advance in the development of synthetic receptor chemistry, which will exert a significant influence on small-molecule crystallography.
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