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Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides

Lyubov' Gavrilovna Samsonova 1
Lyubov' Gavrilovna Samsonova
, 
Natalya V. Izmailova 1
Natalya V. Izmailova
,  ,  ,  ,  ,  ,  , 
Egor Vladimirovich Verbitskiy 3, 4
Egor Vladimirovich Verbitskiy
10.71267/mencom.7828
Published 2025-11-29
Communication , Volume 36, Issue 1, 50-52
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Samsonova L. G. et al. Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides // Mendeleev Communications. 2025. Vol. 36. No. 1. pp. 50-52.
GOST all authors (up to 50) Copy
Samsonova L. G., Izmailova N. V., Gadirov R. M., Irgashev R. A., Kazin N. A., Kvashnin Y. A., Steparuk A. S., Rusinov G. L., Verbitskiy E. V. Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides // Mendeleev Communications. 2025. Vol. 36. No. 1. pp. 50-52.
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TY - JOUR
DO - 10.71267/mencom.7828
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7828
TI - Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides
T2 - Mendeleev Communications
AU - Samsonova, Lyubov' Gavrilovna
AU - Izmailova, Natalya V.
AU - Gadirov, Ruslan M.
AU - Irgashev, Roman Akhmetovich
AU - Kazin, Nikita Andreevich
AU - Kvashnin, Yuriy Anatol'evich
AU - Steparuk, Alexander Sergeyevich
AU - Rusinov, Gennady Leonidovich
AU - Verbitskiy, Egor Vladimirovich
PY - 2025
DA - 2025/11/29
PB - Mendeleev Communications
SP - 50-52
IS - 1
VL - 36
ER -
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@article{2025_Samsonova,
author = {Lyubov' Gavrilovna Samsonova and Natalya V. Izmailova and Ruslan M. Gadirov and Roman Akhmetovich Irgashev and Nikita Andreevich Kazin and Yuriy Anatol'evich Kvashnin and Alexander Sergeyevich Steparuk and Gennady Leonidovich Rusinov and Egor Vladimirovich Verbitskiy},
title = {Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides},
journal = {Mendeleev Communications},
year = {2025},
volume = {36},
publisher = {Mendeleev Communications},
month = {Nov},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7828},
number = {1},
pages = {50--52},
doi = {10.71267/mencom.7828}
}
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Samsonova, Lyubov' Gavrilovna, et al. “Photoacid generation from substituted benzo[b]thiophene-2-carboxanilides.” Mendeleev Communications, vol. 36, no. 1, Nov. 2025, pp. 50-52. https://mendcomm.colab.ws/publications/10.71267/mencom.7828.
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Keywords

6p-electron photocyclization
acid–base indicator.
benzo[b]thiophene-2-carboxanilides
photochemical acid generator
phototransformation

Abstract

The photolysis of 3-chloro- and 3-sulfonato-substituted benzo[b]thiophene-2-carboxanilides was explored using 3rd harmonic Nd-YAG laser radiation (355 nm) in toluene. The acid production was monitored by the formation of the protonated form of 4,6-bis[5-(9-ethyl-9H-carbazol-3-yl)thiophen-2-yl]pyrimidine serving as an indicator. The quantum yield of the acid produced had the order of 10-2 and depended on the structural characteristics of the molecules involved.

Funders

Ministry of Education and Science of the Russian Federation
FEWM-2024-0001

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