期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 24, 页码 6997-7001出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201602594
关键词
catenanes; chemical fuels; decarboxylation; molecular devices; molecular motions
资金
- Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR) [PRIN 2010CX2TLM]
- Universita di Roma La Sapienza (Progetti di Ricerca)
The decarboxylation of 2-cyano-2-phenylpropanoic acid is fast and quantitative when carried out in the presence of 1 molar equivalent of a [2]catenane composed of two identical macrocycles incorporating a 1,10-phenanthroline unit in their backbone. When decarboxylation is over, all of the catenane molecules have experienced large-amplitude motions from neutral to protonated catenane, and back again to the neutral form, so that they are ready to perform another cycle. This study provides the first example of the cyclic operation of a molecular switch at the sole expenses of the energy supplied by the substrate undergoing chemical transformation, without recourse to additional stimuli.
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