Chemistry
A cautionary tale of basic azo photoswitching in dichloromethane finally explained
C. Hillel, S. Rough, et al.
In a groundbreaking study, researchers Coral Hillel, Sara Rough, Christopher J. Barrett, William J. Pietro, and Ozzy Mermut uncover the unexpected consequences of using dichloromethane in azobenzene photoswitch experiments. Their findings reveal that UV irradiation in this solvent not only triggers photoisomerization but also leads to protonation, accelerating thermal isomerization and altering traditional isomerization mechanisms. This research highlights the perils of using chlorinated solvents with UV irradiation.
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