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A bistable pretzelane
A switchable donor-acceptor pretzelane composed of a crown ether containing tetrathiafulvalene and 1,5dihydroxynaphthalene recognition units and covalently tethered cyclobis(paraquat-p-phenylene) ring exhibits unidirectional motion on both oxidation (forwards) and reduction (backwards). 10 40 Center Research Program (FCRP), and the Center on Functional Engineered NanoArchitectonics (FENA).doi:10.1039/b910510g pmid:19652800 fatcat:w6ay6nwt4fe4pitj3bxrfl675m