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Inside Cover: Molecular Switches Flipped by Oxygen (Angew. Chem. Int. Ed. 40/2007)
Author(s) -
Zehm Daniel,
Fudickar Werner,
Linker Torsten
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200790199
Subject(s) - singlet oxygen , oxygen , linker , cleavage (geology) , int , chemistry , cover (algebra) , thermal decomposition , photochemistry , materials science , organic chemistry , computer science , mechanical engineering , engineering , fracture (geology) , composite material , operating system
Light, air, and heat suffice to flip a molecular switch. In their Communication on p. 7689 ff., T. Linker et al. show that oxidation of ortho ‐substituted bisarylanthracenes with singlet oxygen results in axial rotation by 180°. After cleavage of oxygen under mild conditions, the trans isomer can be regenerated by thermolysis. The full switching process requires only three steps, and oxygen is the only side product.
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