Home / Articles / Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes

Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes

Svetlana A. Krasnova 1
Svetlana A. Krasnova
, 
Alexander Yuryevich Smirnov 1, 2
Alexander Yuryevich Smirnov
, 
Mikhail S. Baranov 1, 2
Mikhail S. Baranov
, 
Dmitrii S Ivanov 1
Dmitrii S Ivanov
10.71267/mencom.7974
Published 4 June 2026 , received 24 November 2025
Communication , Volume 36, Issue 4, 448-450
0
Share
Cite this
GOST
 | 
Cite this
GOST
Copy cite
Krasnova S. A. et al. Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 448-450.
GOST all authors (up to 50)
Copy cite
Krasnova S. A., Smirnov A. Y., Baranov M. S., Ivanov D. S. Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 448-450.
RIS
 | 
Cite this
RIS
Copy cite
TY - JOUR
DO - 10.71267/mencom.7974
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7974
TI - Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes
T2 - Mendeleev Communications
AU - Krasnova, Svetlana A.
AU - Smirnov, Alexander Yuryevich
AU - Baranov, Mikhail S.
AU - Ivanov, Dmitrii S
PY - 2026
DA - 2026/06/04
PB - Mendeleev Communications
SP - 448-450
IS - 4
VL - 36
ER -
BibTex
 | 
Cite this
BibTex (up to 50 authors)
Copy cite
@article{2026_Krasnova,
author = {Svetlana A. Krasnova and Alexander Yuryevich Smirnov and Mikhail S. Baranov and Dmitrii S Ivanov},
title = {Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes},
journal = {Mendeleev Communications},
year = {2026},
volume = {36},
publisher = {Mendeleev Communications},
month = {Jun},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7974},
number = {4},
pages = {448--450},
doi = {10.71267/mencom.7974}
}
MLA
Cite this
MLA
Copy cite
Krasnova, Svetlana A., et al. “Photochemical synthesis of benzo[d]imidazole-4-carboxylic acids from 3-(dialkylamino)-2-nitrobenzaldehydes.” Mendeleev Communications, vol. 36, no. 4, Jun. 2026, pp. 448-450. https://mendcomm.colab.ws/publications/10.71267/mencom.7974.
Views / Visits
25 / 25

Keywords

ortho-substituted benzaldehydes
3-(dialkylamino)-2-nitrobenzaldehydes
benzo[d]imidazole-4-carboxylic acids
photochemical cyclization

Abstract

Photochemical method for synthesizing benzo[d]imidazole 4-carboxylic acids via 365 nm irradiation of 3-(dialkylamino) 2-nitrobenzaldehydes is presented. The reaction proceeds in high yields (72–98%).

Funders

Russian Science Foundation
25-13-00043

References

3.
Photochemistry in Pharmaceutical Development: A Survey of Strategies and Approaches to Industry-wide Implementation
Moschetta E.G., Cook G.C., Edwards L.J., Ischay M.A., Lei Z., Buono F., Lévesque F., Garber J.A., MacTaggart M., Sezen-Edmonds M., Cole K.P., Beaver M.G., Doerfler J., Opalka S.M., Liang W., et. al.
Organic Process Research and Development, 2024
4.
Photochemical Reactions as Key Steps in Natural Product Synthesis
Bach T., Hehn J.P.
Angewandte Chemie - International Edition, 2011
7.
Photochemical Multicomponent Synthesis of Six‐Membered Heterocycles
Borah B., Patat M., Chowhan L.R.
European Journal of Organic Chemistry, 2025
8.
Synthesis of Chroman-Annulated Cyclopropanols via Photoinduced Intramolecular [2+1]-Cycloaddition of 2-Allyloxybenzaldehydes
Zaitseva E.R., Opryshko V.E., Ivanov D.S., Mikhaylov A.A., Smirnov A.Y., Baranov M.S.
Organic and Biomolecular Chemistry, 2023
9.
Photochemistry of 2-(2-formylphenyloxy)acetic acid derivatives: synthesis of hydroxychromanones and benzofuranones
Zhigileva E.A., Opryshko V.E., Eshtukov-Shcheglov A.V., Ivanov D.S., Rudik D.I., Mikhaylov A.A., Ivanov I.A., Smirnov A.Y., Baranov M.S.
Organic and Biomolecular Chemistry, 2024
10.
Photochemically-Enabled Umpolung Conversion of 2-Acyloxybenzaldehydes into 2-Hydroxybenzofuranones
Opryshko V.E., Krasnova S.A., Mikhaylov A.A., Bogdanova Y.A., Smirnov A.Y., Baranov M.S., Ivanov D.S.
Molecules, 2025
11.
Heterocycles by Ring Closure of Ortho-Substituted t-Anilines (The t-Amino Effect)
Meth-Cohn O., Suschitzky H.
Advances in Heterocyclic Chemistry, 1972
12.
tert-Amino effect: the Meth-Cohn and Reinhoudt reactions (Review)
Platonova A.Y., Glukhareva T.V., Zimovets O.A., Morzherin Y.Y.
Chemistry of Heterocyclic Compounds, 2013
13.
BF 3 Mediated [1,5]‐Hydride Shift Triggered Cyclization: Thioethers Join the Game
Zaitseva E.R., Smirnov A.Y., Timashev V.I., Malyshev V.I., Zhigileva E.A., Mikhaylov A.A., Medvedev M.G., Baleeva N.S., Baranov M.S.
European Journal of Organic Chemistry, 2022
14.
[1,5]-Hydride Shift Triggered N-Dealkylative Cyclization into 2-Oxo-1,2,3,4-tetrahydroquinoline-3-carboxylates via Boronate Complexes
Zaitseva E.R., Ivanov D.S., Smirnov A.Y., Mikhaylov A.A., Baleeva N.S., Baranov M.S.
Molecules, 2022