A Molecular Cage-Based [2]Rotaxane That Behaves as a Molecular Muscle

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• 作者：Chun-Ju Chuang ; Wan-Sheung Li ; Chien-Chen Lai ; Yi-Hung Liu ; Shie-Ming Peng ; Ito Chao ; Sheng-Hsien Chiu
• 刊名：Organic Letters
• 出版年：2009
• 出版时间：January 15, 2009
• 年：2009
• 卷：11
• 期：2
• 页码：385-388
• 全文大小：257K
• 年卷期：v.11,no.2(January 15, 2009)
• ISSN：1523-7052

文摘

We report a molecular cage-based [2]rotaxane that functions as an artificial molecular muscle through the control of the addition and removal of fluoride anions. The percentage change in molecular length of the [2]rotaxane is about 36% between the stretched and contracted states, which is larger than the percentage change (27%) in human muscle.