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Redox-Induced Molecular Actuators: The Case of Oxy-Alternate Bridged Cyclotetraveratrylene

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journal contribution
posted on 25.09.2019, 03:13 by Saber Mirzaei, Denan Wang, Sergey V. Lindeman, Qadir K. Timerghazin, Rajendra Rathore
We report a practical two-step approach for the synthesis of hybrid-bridge macrocyclic molecules that has been used to synthesize two novel oxy-alternate-bridged macrocyclic molecules, oxy-alternate cyclotetraveratrylene (O‑altCTTV) and oxy-alternate cyclohexaveratrylene (O‑altCHV). Electrochemistry, absorption spectroscopy, X-ray crystallography, and DFT calculations demonstrate that O‑altCTTV acts as a redox-induced molecular actuator, as its switches from the open conformation in the neutral state to the closed conformation in the cation-radical state.