Explanipedia

The Effect of the N-Oxide Oxygen Atom on the Crystalline and Photophysical Properties of [1,2,5]Oxadiazolo[3,4-d]pyridazines Open

Timofey N. Chmovzh, Alisia V. Tsorieva, Vladislav M. Korshunov, Egor D. Kotov, Darina I. Nasyrova , et al. · 2025

A series of novel fluorescent donor–acceptor–donor (D-A-D) dyes containing [1,2,5]oxadiazolo[3,4-d]pyridazine and its 1-oxide as electron-withdrawing groups has been synthesized and thoroughly investigated using X-ray diffraction and molec…

Striking difference in nucleophilic substitution in 4,7-dichloro-[1,2,5]oxadiazolo[3,4-d]pyridazine 1-oxide by S-, N- and O-nucleophiles Open

Timofey N. Chmovzh, Rinat R. Aysin, Egor D. Kotov, Karim S. Gaisin, Darina I. Nasyrova , et al. · 2025

Influence of Heavy Atoms in Β-Diketone-Based Tadf Emitters: Photophysical Properties and Oled Applications Open

Alisia V. Tsorieva, Vladislav M. Korshunov, Timofey N. Chmovzh, Trofim Polikovskiy, D. A. Lypenko , et al. · 2025

Exploring the Role of N-H Hydrogen Bonding in Tict: Insights from D-a-a1 Organic Dyes Open

Олег А. Ракитин, Vladislav M. Korshunov, Timofey N. Chmovzh, Ivan V. Shlykov, Mikhail E. Minyaev , et al. · 2024

Exploring the Role of N-H Hydrogen Bonding in Tict: Insights from D-a-a1 Organic Dyes Open

Vladislav M. Korshunov, Timofey N. Chmovzh, Ivan V. Shlykov, Mikhail E. Minyaev, N. P. Datskevich , et al. · 2024

Benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole)-4-carbonitrile Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Karim S. Gaisin, Олег А. Ракитин · 2023

Electron-withdrawing heterocyclic units are found in most organic optoelectronic materials. Benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) is an interesting new heterocyclic system, the chemical properties of which are much less studied than o…

5,6-Dihydro-[1,2,5]oxadiazolo[3,4-d]pyridazine-4,7-dione Open

Timofey N. Chmovzh, Karim S. Gaisin, Олег А. Ракитин · 2023

1,2,5-Chalcogenadiazoles fused with electron-withdrawing heterocycles have been actively investigated for the preparation of organic photovoltaic materials. [1,2,5]Oxadiazolo[3,4-d]pyridazines are much less studied than other chalcogenadia…

Benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) and Its Bromo Derivatives: Molecular Structure and Reactivity Open

Timofey N. Chmovzh, Daria A. Alekhina, Timofey A. Kudryashev, Rinat R. Aysin, Аlexander А. Korlyukov , et al. · 2023

Benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) (isoBBT) is a new electron-withdrawing building block that can be used to obtain potentially interesting compounds for the synthesis of OLEDs and organic solar cells components. The electronic str…

Palladium-Catalyzed Direct (Het)arylation Reactions of Benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole and 4,8-Dibromobenzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Daria A. Alekhina, Олег А. Ракитин · 2023

Palladium-catalyzed direct (het)arylation reactions of strongly electron-withdrawing tricyclic benzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) and its 4,8-dibromo derivative were studied; the conditions for the selective formation of mono- and …

4,4′-([1,2,5]Thiadiazolo[3,4-d]pyridazine-4,7-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Олег А. Ракитин · 2022

Donor-acceptor-dyes with extended conjugation, such as D–π–A–π–D type, are being intensively investigated as components of near-infrared (NIR) organic light-emitting diodes (OLEDs). In this communication, novel D–π–A–π–D dye, 4,4′-([1,2,5]…

Efficient Synthesis of 4,8-Dibromo Derivative of Strong Electron-Deficient Benzo[1,2-d:4,5-d’]bis([1,2,3]thiadiazole) and Its SNAr and Cross-Coupling Reactions Open

Timofey N. Chmovzh, Daria A. Alekhina, Timofey A. Kudryashev, Олег А. Ракитин · 2022

An efficient synthesis of hydrolytically and thermally stable 4,8-dibromobenzo[1,2-d:4,5-d’]bis([1,2,3]thiadiazole) by the bromination of its parent heterocycle is reported. The structure of 4,8-dibromobenzo[1,2-d:4,5-d’]bis([1,2,3]thiadia…

CCDC 2066876: Experimental Crystal Structure Determination Open

Vladislav M. Korshunov, Timofey N. Chmovzh, Alexandra Ya. Freidzon, Mikhail E. Minyaev, Artem Barkanov , et al. · 2022

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2066877: Experimental Crystal Structure Determination Open

Vladislav M. Korshunov, Timofey N. Chmovzh, Alexandra Ya. Freidzon, Mikhail E. Minyaev, Artem Barkanov , et al. · 2022

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

4,7-Bis(2,3,3a,8b-tetrahydrocyclopenta[b]indol-4(1H)-yl)-[1,2,5]thiadiazolo[3,4-c]pyridine Open

Timofey N. Chmovzh, Олег А. Ракитин · 2022

Donor-acceptor-donor (D-A-D) type molecules are of interest as components in organic light emitting diodes (OLEDs). In this communication, 4,7-bis(2,3,3a,8b-tetrahydrocyclopenta[b]indol-4(1H)-yl)-[1,2,5]thiadiazolo[3,4-c]pyridine was obtai…

4,7-Di(9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Karim S. Gaisin, Олег А. Ракитин · 2022

Donor–acceptor–donor (D–A–D)-type molecules are considered as a promising class of NIR fluorescence materials. In this communication, 4,7-di(9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine was obtained by dehydrogenation of 4,7-bis(1,…

3,4-Diaminopyridine-2,5-dicarbonitrile Open

Timofey N. Chmovzh, Олег А. Ракитин · 2022

Pyridines fused with heterocyclic rings are of great interest as both photovoltaic materials and biologically active compounds. The most convenient precursors for these compounds are pyridine-2,3-diamines. In this communication, 3,4-diamin…

(E)-7-(4-(Diphenylamino)styryl)benzo[c][1,2,5]thiadiazole-4-carbonitrile Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Олег А. Ракитин · 2022

Donor-acceptor-donor (D-A-A) structures with 2,1,3-benzothiadiazole as an internal acceptor and the 4(7)-cyanogroup as anchor acceptor have been investigated for various photovoltaic applications such as dye-sensitized solar cells (DSSCs) …

(E)-4-(2-(7-Bromo-[1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)vinyl)-N,N-diphenylaniline Open

Timofey N. Chmovzh, Олег А. Ракитин · 2022

(Diphenylamino)phenylethenyl group-containing chromophores are widely employed to design effective materials with useful electronic properties. In this communication, (E)-4-(2-(7-Bromo-[1,2,5]thiadiazolo[3,4-c]pyridin-4-yl)vinyl)-N,N-diphe…

4-Bromobenzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole) Open

Timofey N. Chmovzh, Daria A. Alekhina, Timofey A. Kudryashev, Олег А. Ракитин · 2022

Bromoderivatives of benzofused 1,2,5-thiadiazoles are important precursors for the synthesis of dyes, which are widely used to design effective photovoltaic materials. In this study, 4-bromobenzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole was sel…

4,7-Bis(5-(9-hexyl-9H-carbazol-3-yl)thiophen-2-yl)-[1,2,5]thiadiazolo[3,4-d]pyridazine Open

Timofey N. Chmovzh, Vladislav M. Korshunov, Ilya V. Taydakov, Олег А. Ракитин · 2022

Donor molecules of the D-π-A-π-D type structure are often used for applications in organic photovoltaics. In this communication, bromination of 4,7-di(thiophen-2-yl)-[1,2,5]thiadiazolo[3,4-d]pyridazine followed by Suzuki cross-coupling wit…

CCDC 2121362: Experimental Crystal Structure Determination Open

Timofey N. Chmovzh, Mikhail E. Minyaev · 2021

4,7-Bis(1,2,3,4,4a,9a-Hexahydro-9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine Open

Timofey N. Chmovzh, Karim S. Gaisin, Олег А. Ракитин · 2021

New donor-acceptor-donor (D-A-D)-type structures are widely used to design effective organic light-emitting diodes (OLEDs). In this communication, 4,7-bis(1,2,3,4,4a,9a-hexahydro-9H-carbazol-9-yl)-[1,2,5]oxadiazolo[3,4-d]pyridazine was obt…

4,7-Bis(dodecylthio)-[1,2,5]thiadiazolo[3,4-c]pyridine Open

Timofey N. Chmovzh, Timofey A. Kudryashev, Олег А. Ракитин · 2021

Bis(alkylsulfanyl) derivatives of 1,2,5-thiadiazoles fused with aromatic and heteroaromatic rings containing long alkyl chains are of interest as compounds with liquid crystalline properties. In this communication, 4,7-bis(dodecylthio)-[1,…

N,N-Bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)thiophen-2-amine Open

Timofey N. Chmovzh, Олег А. Ракитин · 2021

N,N-Diarylthiophen-2-amine units are of great interest for the synthesis of optoelectronic devices. In this communication, N,N-bis (4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)thiophen-2-amine was obtained by means of a Buchwald–Hartwig cross-coupl…

tert-Butyl Bis(4′-(Hexyloxy)-[1,1′-biphenyl]-4-yl)carbamate Open

Timofey N. Chmovzh, Олег А. Ракитин · 2021

New donor building blocks, i.e., triarylamino derivatives, are of great interest for the production of organic photovoltaic materials. In this communication, bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)amine was synthesized in a two-step proces…

7-Bromo-[1,2,5]selenadiazolo[3,4-d]pyridazin-4(5H)-one Open

Timofey N. Chmovzh, Олег А. Ракитин · 2021

New heterocyclic systems containing 1,2,5-chalcogenadiazoles are of great interest for the creation of organic photovoltaic materials and biologically active compounds. In this communication, 3,6-dibromopyridazine-4,5-diamine was investiga…

Novel D-A-D Fluorescent Dyes Based on 9-(p-Tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole as a Donor Unit for Solution-Processed Organic Light-Emitting-Diodes Open

Vladislav M. Korshunov, Maksim S. Mikhailov, Timofey N. Chmovzh, Andrey A. Vashchenko, Nikita S. Gudim , et al. · 2021

New fluorescent D-A-D dyes containing 9-(p-tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole as a donor unit and 2,1,3-benzochalcogenadiazoles as an electron-withdrawing group were synthesized. The photoluminescent and electroluminescent propert…

CSD 2021040: Experimental Crystal Structure Determination Open

Mikhail E. Minyaev, Timofey N. Chmovzh · 2020

[1,2,5]Thiadiazolo[3,4-d]Pyridazine as an Internal Acceptor in the D-A-π-A Organic Sensitizers for Dye-Sensitized Solar Cells Open

Timofey N. Chmovzh, Ekaterina A. Knyazeva, Ellie Tanaka, Vadim V. Popov, Ludmila V. Mikhalchenko , et al. · 2019

Four new D-A-π-A metal-free organic sensitizers for dye-sensitized solar cells (DSSCs), with [1,2,5]thiadiazolo[3,4-d]pyridazine as internal acceptor, thiophene unit as π-spacer and cyanoacrylate as anchoring electron acceptor, have been s…

3,6-Dibromopyridazine-4,5-diamine Open

Timofey N. Chmovzh, Ekaterina A. Knyazeva, Olga O. Ustimenko, Олег А. Ракитин · 2019

Dihalogenated derivatives of 1,2,5-chalcogenadiazoles fused with benzene or heterocyclic rings are of interest as starting compounds for photovoltaic materials. The 1,2,5-chalcogenadiazole ring in these heterocycles was most commonly prepa…

Timofey N. Chmovzh YOU? Author Swipe