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Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates

Svetlana A. Krasnova 1
Svetlana A. Krasnova
, 
Alexander Yuryevich Smirnov 1, 2
Alexander Yuryevich Smirnov
, 
Viktoria Alekseevna Ikonnikova 1
Viktoria Alekseevna Ikonnikova
, 
Andrey Andreevich Mikhaylov 1, 2
Andrey Andreevich Mikhaylov
, 
Mikhail S. Baranov 1, 2
Mikhail S. Baranov
, 
Dmitrii S Ivanov 1
Dmitrii S Ivanov
10.71267/mencom.7890
Published 2026-02-03
Communication , Volume 36, Issue 2, 164-166
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Krasnova S. A. et al. Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates // Mendeleev Communications. 2026. Vol. 36. No. 2. pp. 164-166.
GOST all authors (up to 50) Copy
Krasnova S. A., Smirnov A. Y., Ikonnikova V. A., Mikhaylov A. A., Baranov M. S., Ivanov D. S. Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates // Mendeleev Communications. 2026. Vol. 36. No. 2. pp. 164-166.
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TY - JOUR
DO - 10.71267/mencom.7890
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7890
TI - Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates
T2 - Mendeleev Communications
AU - Krasnova, Svetlana A.
AU - Smirnov, Alexander Yuryevich
AU - Ikonnikova, Viktoria Alekseevna
AU - Mikhaylov, Andrey Andreevich
AU - Baranov, Mikhail S.
AU - Ivanov, Dmitrii S
PY - 2026
DA - 2026/02/03
PB - Mendeleev Communications
SP - 164-166
IS - 2
VL - 36
ER -
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@article{2026_Krasnova,
author = {Svetlana A. Krasnova and Alexander Yuryevich Smirnov and Viktoria Alekseevna Ikonnikova and Andrey Andreevich Mikhaylov and Mikhail S. Baranov and Dmitrii S Ivanov},
title = {Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates},
journal = {Mendeleev Communications},
year = {2026},
volume = {36},
publisher = {Mendeleev Communications},
month = {Feb},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7890},
number = {2},
pages = {164--166},
doi = {10.71267/mencom.7890}
}
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Krasnova, Svetlana A., et al. “Photochemical synthesis of 3,4-dihydro-1-benzoxepine-2,5-diones from 2-formylaryl acrylates.” Mendeleev Communications, vol. 36, no. 2, Feb. 2026, pp. 164-166. https://mendcomm.colab.ws/publications/10.71267/mencom.7890.

Keywords

2-formylaryl acrylates
benzoxepine-2,5-diones
ortho-substituted benzaldehydes
photochemical cyclization
salicylaldehyde

Abstract

Photochemical method for synthesizing benzoxepine-2,5 diones via LED (light-emitting diode) irradiation of 2-formylaryl acrylates is presented. The reaction affords products in moderate to good yields (23–91%), its mechanism is discussed.

Funders

Russian Science Foundation
25-13-00043

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