Axle length does not affect switching dynamics in degenerate molecular shuttles with rigid spacers

Philip G. Young, Keiji Hirose*, Tobe Yoshito

*Corresponding author for this work

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)7899-7906
Number of pages8
JournalJournal of the American Chemical Society
Volume136
Issue number22
DOIs
StatePublished - 4 Jun 2014

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