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New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series

Vladislav Mikailovich Korshunov 1
Vladislav Mikailovich Korshunov
, 
Timofey Nikolaevich Chmovzh 2, 3
Timofey Nikolaevich Chmovzh
, 
German R Chkhetiani 2
German R Chkhetiani
, 
Il'ya Viktorovich Taidakov 1
Il'ya Viktorovich Taidakov
, 
Oleg Alexeevich Rakitin 2
Oleg Alexeevich Rakitin
10.1016/j.mencom.2022.05.026
Published 2022-04-29
Communication , Volume 32, Issue 3, 371-373
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Korshunov V. M. et al. New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series // Mendeleev Communications. 2022. Vol. 32. No. 3. pp. 371-373.
GOST all authors (up to 50) Copy
Korshunov V. M., Chmovzh T. N., Chkhetiani G. R., Taidakov I. V., Rakitin O. A. New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series // Mendeleev Communications. 2022. Vol. 32. No. 3. pp. 371-373.
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TY - JOUR
DO - 10.1016/j.mencom.2022.05.026
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.05.026
TI - New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series
T2 - Mendeleev Communications
AU - Korshunov, Vladislav Mikailovich
AU - Chmovzh, Timofey Nikolaevich
AU - Chkhetiani, German R
AU - Taidakov, Il'ya Viktorovich
AU - Rakitin, Oleg Alexeevich
PY - 2022
DA - 2022/04/29
PB - Mendeleev Communications
SP - 371-373
IS - 3
VL - 32
ER -
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@article{2022_Korshunov,
author = {Vladislav Mikailovich Korshunov and Timofey Nikolaevich Chmovzh and German R Chkhetiani and Il'ya Viktorovich Taidakov and Oleg Alexeevich Rakitin},
title = {New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series},
journal = {Mendeleev Communications},
year = {2022},
volume = {32},
publisher = {Mendeleev Communications},
month = {Apr},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.05.026},
number = {3},
pages = {371--373},
doi = {10.1016/j.mencom.2022.05.026}
}
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Korshunov, Vladislav Mikailovich, et al. “New D–A–D luminophores of the [1,2,5]thiadiazolo[3,4-d]pyridazine series.” Mendeleev Communications, vol. 32, no. 3, Apr. 2022, pp. 371-373. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2022.05.026.

Keywords

[1,2,5]thiadiazolo[3,4-d]pyridazines
aromatic nucleophilic substitution
donor–acceptor–donor structure
indoles
luminescence
NIR-OLEDs
synthesis

Abstract

Three [1,2,5]thiadiazolo[3,4-d]pyridazines containing 4,7-positioned indole-type substituents were synthesized from the corresponding 4,7-dibromo precursor employing the SNAr aromatic nucleophilic substitution. Photophysical properties and DFT calculations showed that the D–A–D dyes based on [1,2,5]thiadiazolo[3,4-d]pyridazine core exhibited fluorescence in the near infrared region of the spectrum, which makes them promising for use as an active emitting layer in NIR-OLEDs as well as for other possible applications as an IR luminophore.

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