3 years ago

Photochromic Hydrazone Switches with Extremely Long Thermal Half-Lives

Photochromic Hydrazone Switches with Extremely Long Thermal Half-Lives
Susnata Pramanik, Hai Qian, Ivan Aprahamian
A family of easily accessible light-activated hydrazone switches has been developed having thermal half-lives of up to 2700 years! Structure–property analysis shows that replacing the rotor pyridyl group of our typical hydrazone switch with a phenyl one leads to the long-lived negative photochromic compounds. The switching properties of the hydrazones in both toluene and DMSO were assessed offering insights into the kinetics and thermodynamics of the switching process.

Publisher URL: http://dx.doi.org/10.1021/jacs.7b04993

DOI: 10.1021/jacs.7b04993

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