Мақола

Axle Length Does Not Affect Switching Dynamics in Degenerate Molecular Shuttles with Rigid Spacers

Philip G. YoungDivision of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka 560-8531, JapanKeiji HiroseDivision of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka 560-8531, JapanYoshito TobeDivision of Frontier Materials Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka 560-8531, Japan

2014en

ABI

Аннотация

For a series of [2]rotaxane molecular shuttles possessing linear rigid rod-like axles of varying lengths between degenerate recognition sites, the activation barrier for shuttling motion was clearly shown to be constant. Moreover, dynamic NMR studies have revealed that both the entropic and enthalpic contributions to the shuttling motion remain constant regardless of the actual length of the rigid rod-like axles employed herein.

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Идентификаторлар

DOI: 10.1021/ja412671k

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