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標題: Parking and restarting a molecular shuttle in situ
作者: Chen, N.C.
Lai, C.C.
Liu, Y.H.
Peng, S.M.
Chiu, S.H.
關鍵字: host-guest systems;molecular machines;molecular shuttles;molecular;switches;rotaxanes;complexes;switch;rotaxanes;motion
Project: Chemistry-a European Journal
期刊/報告no:: Chemistry-a European Journal, Volume 14, Issue 9, Page(s) 2904-2908.
Herein we report an easy-to-synthesize [2]rotaxane, which incorporates two ionic monopyridinium stations and one 2,2'-bipyridine station as the shaft of the dumbbell-shaped component and a bis-p-xylyl[26]crown-6 (BPX26C6) unit as the macrocyclic component. In this molecular shuttle, the BPX26C6 unit can be docked selectively on either the central 2,2'-bipyridine station or one of the two terminal pyridinium stations, and subsequently, returned to its shuttling molecular motion through the in situ addition of simple reagents (acid/base or metal ion/ metal-ion-complexing ligand pairs).
ISSN: 0947-6539
DOI: 10.1002/chem.200701854
Appears in Collections:分子生物學研究所

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