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oNitro ChemRxiv.pdf (561.15 kB)

The Malleable Excited States of Benzothiadiazole Dyes and Investigation of their Potential for Photochemical Control

submitted on 11.06.2019, 01:29 and posted on 12.06.2019, 13:08 by Caroline C. Warner, andrea thooft, Bryan J. Lampkin, selin demirci, Brett VanVeller

A strategy to control the efficiency of a photocleavage reaction based on changing the nature of the excited state is presented. A novel class of photoactive compounds has been synthesized by combining the classical o-nitrobenzyl scaffold with an environmentally sensitive dye, 4-amino-nitrobenzothiazole. Irradiation in a polar solvent lead to an excited state that is inoperative for photochemistry whereas excitation in a nonpolar solvent lead to an excited state that is photochemically active. A photochemical degradation appears to be the preferred process in contrast to the intended photocleavage process.


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Iowa State University



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