ChemInform Abstract: Synthesis and Properties of Bis(1,3-benzodithiole)-Type Redox Systems Containing a Xylyl Rotator Unit: A New Type of Redox-Responsive Molecular Rotor

Autor:	Kunihide Fujimori, Yuzuru Uchiyama, Akira Ohta
Rok vydání:	2008
Předmět:	Chemistry Stereochemistry Proton NMR chemistry.chemical_element General Medicine Zinc Molecular rotors Cyclic voltammetry Redox responsive Medicinal chemistry Redox Dication
Zdroj:	ChemInform. 39
ISSN:	1522-2667 0931-7597
DOI:	10.1002/chin.200822125
Popis:	A new type of redox-responsive molecular rotors (3 2+ /4) possessing a xylyl rotator unit have been designed and synthesized. Reduction of 3 2+ with zinc gave the corresponding cyclization products (4), from which dications (3 2+ ) were regenerated upon oxidation. Cyclic voltammetry also showed the interconversion between 3 2+ and 4. Variable-temperature 1 H NMR measurements revealed that the rotational barriers of the xylyl units in the neutral states (4) are higher than those in the dication states (3 2+ ).
Databáze:	OpenAIRE
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