학술논문
The Hydrolysis of the Anhydride of 2‐Cyano‐2‐phenylpropanoic Acid Triggers the Repeated Back and Forth Motions of an Acid–Base Operated Molecular Switch.
Document Type
Article
Author
Source
Subject
*MOLECULAR switches
*HYDROLYSIS
*DICHLOROMETHANE
*MOTION
*DECARBOXYLATION
*FUEL
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*
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Language
ISSN
0947-6539
Abstract
This work aimed to render phenomenologically autonomous the otherwise stepwise operation of a catenane‐based molecular switch, which is chemically triggered by the decarboxylation of 2‐cyano‐2‐phenylpropanoic acid (2). Given that any amount of 2 in stoichiometric excess with respect to the catenane is consumed in a side reaction, the authors resorted to the corresponding anhydride 5, the slow hydrolysis of which, due to adventitious water in dichloromethane, continuously produces in situ the actual fuel 2. As a consequence, the machine does not require a reloading after each cycle, but switches back and forth as long as fuel is present. [ABSTRACT FROM AUTHOR]