Phosphine oxide functional group based three-station molecular shuttleElectronic supplementary information (ESI) available: Experimental details, 1H NMR, COSY and ROESY spectra of individual compounds, details of the X-ray analyses including CIF file and theoretical calculations. CCDC 900778. For ESI and crystallographic data see DOI: 10.1039/c3sc22048f

A switchable three-station rotaxane based molecular shuttle with phosphine oxide, dibenzylammonium, and urea functional groups has been developed, where the macrocycle can be easily switched between three different binding sites along the rotaxane thread by addition of acid/base or anions resulting...

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Main Authors: Liu, Li, Liu, Yuanyuan, Liu, Pingying, Wu, Jie, Guan, Yangfan, Hu, Xiaoyu, Lin, Chen, Yang, Yang, Sun, Xiaoqiang, Ma, Jing, Wang, Leyong
Format: Article
Language:English
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Summary:A switchable three-station rotaxane based molecular shuttle with phosphine oxide, dibenzylammonium, and urea functional groups has been developed, where the macrocycle can be easily switched between three different binding sites along the rotaxane thread by addition of acid/base or anions resulting in three stable states. Phosphine oxide is shown to be a potential recognition unit for rotaxane based molecular shuttles and plays an important role as one of three "stations", allowing the design of a new class of molecular shuttles. A switchable three-station molecular shuttle with phosphine oxide, dibenzylammonium, and urea functional groups has been developed.
ISSN:2041-6520
2041-6539
DOI:10.1039/c3sc22048f