Abstract
AbstractHeteroaryl azobenzene molecular switches often have superior performance compared to their parent azobenzene derivatives. Herein, we report the efficient photoswitching of phenylazopyridine 5‐methoxy‐2‐(2‐phenyldiazenyl)pyridine using 1H NMR and UV/vis spectroscopy demonstrating >92 % Z at the photostationary state and a thermal half‐life of 6.3 days at room temperature. Kinetic studies are in good agreement with the DFT predicted isomerization barrier.
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