Issue 77, 2024

Neutral and ionic N-methyl phenylazo-3,5-(di-2-pyridyl)pyrazole photoswitches: probes for reversible pH modulation by light

Abstract

We report the design, synthesis, photoswitching and computational studies of N-methyl arylazo-3,5-(di-2-pyridyl)pyrazole and its N-alkyl pyridinium derivatives with an ionic center proximally located to the azo group. Besides achieving excellent photoswitching characteristics, particularly at longer wavelengths, and tuning Z isomer stability due to the effects of counter ions and pH, the utility of neutral and ionic photoswitches for pH modulation by light was achieved.

Graphical abstract: Neutral and ionic N-methyl phenylazo-3,5-(di-2-pyridyl)pyrazole photoswitches: probes for reversible pH modulation by light

Supplementary files

Article information

Article type
Communication
Submitted
10 Jul 2024
Accepted
22 Aug 2024
First published
23 Aug 2024

Chem. Commun., 2024,60, 10776-10779

Neutral and ionic N-methyl phenylazo-3,5-(di-2-pyridyl)pyrazole photoswitches: probes for reversible pH modulation by light

S. Singh, A. Velloth, Rajani, M. Goyal, N. Kaur, S. Singh and S. Venkataramani, Chem. Commun., 2024, 60, 10776 DOI: 10.1039/D4CC03455D

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