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Search for "organic materials" in Full Text gives 95 result(s) in Beilstein Journal of Organic Chemistry.

Selective monoformylation of naphthalene-fused propellanes for methylene-alternating copolymers

  • Kenichi Kato,
  • Tatsuki Hiroi,
  • Seina Okada,
  • Shunsuke Ohtani and
  • Tomoki Ogoshi

Beilstein J. Org. Chem. 2025, 21, 1183–1191, doi:10.3762/bjoc.21.95

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  • storage and transport [27][28][29]. Further progress in such unique organic materials largely depends on the exploitation of 3D π-building blocks. However, the variety of building blocks are limited to a few families such as tetraphenylmethane and triptycene [30][31][32][33][34][35][36][37][38][39
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Published 18 Jun 2025

Synthesis and characterizations of highly luminescent 5-isopropoxybenzo[rst]pentaphene

  • Islam S. Marae,
  • Jingyun Tan,
  • Rengo Yoshioka,
  • Zakaria Ziadi,
  • Eugene Khaskin,
  • Serhii Vasylevskyi,
  • Ryota Kabe,
  • Xiushang Xu and
  • Akimitsu Narita

Beilstein J. Org. Chem. 2025, 21, 270–276, doi:10.3762/bjoc.21.19

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  • of zigzag and armchair edges, which may serve as a key building block for obtaining multifunctional organic materials [7]. Since the initial synthesis of BPP by Scholl and Neumann [8], simplified synthetic methods for BPP have been reported over the past decades [9][10][11][12][13][14]. Recently, a
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Published 04 Feb 2025

Nickel-catalyzed cross-coupling of 2-fluorobenzofurans with arylboronic acids via aromatic C–F bond activation

  • Takeshi Fujita,
  • Haruna Yabuki,
  • Ryutaro Morioka,
  • Kohei Fuchibe and
  • Junji Ichikawa

Beilstein J. Org. Chem. 2025, 21, 146–154, doi:10.3762/bjoc.21.8

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  • mmol), and K2CO3 (50 mg, 0.36 mmol) were added toluene (3.0 mL) and H2O (0.6 mL). After stirring at room temperature for 13 h, the reaction mixture was diluted with H2O. Organic materials were extracted with diethyl ether three times. The combined extracts were washed with brine and dried over Na2SO4
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Published 15 Jan 2025

Tandem diazotization/cyclization approach for the synthesis of a fused 1,2,3-triazinone-furazan/furoxan heterocyclic system

  • Yuri A. Sidunets,
  • Valeriya G. Melekhina and
  • Leonid L. Fershtat

Beilstein J. Org. Chem. 2024, 20, 2342–2348, doi:10.3762/bjoc.20.200

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  • thermostable components of functional organic materials. Keywords: molecular hybridization; nitric oxide; nitrogen heterocycles; 1,2,5-oxadiazoles; 1,2,3-triazin-4-one; Introduction Nitrogen heterocycles are a significant and broad class of organic substances included in the structure of various natural
  • a 1,2,3-triazin-4-one core. The proposed method is based on tandem diazotization/azo coupling reactions of the corresponding amides (Scheme 1). In addition, application perspectives of thus prepared heterocyclic entities as thermally stable components of functional organic materials or NO-donor drug
  • experiments demonstrated that derivatives 1a–f and 7a–e are thermally stable substances with a melting point range of 150–224 °C (DSC curves are provided in Supporting Information File 1), and could be used as components of functional organic materials. Conclusion In summary, we have developed a convenient
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Published 16 Sep 2024

gem-Difluorination of carbon–carbon triple bonds using Brønsted acid/Bu4NBF4 or electrogenerated acid

  • Mizuki Yamaguchi,
  • Hiroki Shimao,
  • Kengo Hamasaki,
  • Keiji Nishiwaki,
  • Shigenori Kashimura and
  • Kouichi Matsumoto

Beilstein J. Org. Chem. 2024, 20, 2261–2269, doi:10.3762/bjoc.20.194

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  • Organofluorine compounds have attracted great attention in various fields, such as organic materials and pharmaceuticals [1][2][3], because fluorinated compounds sometimes show specific properties [4]. So far, several methods have been developed for the synthesis of fluorinated compounds. Using nucleophilic
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Published 06 Sep 2024

Allostreptopyrroles A–E, β-alkylpyrrole derivatives from an actinomycete Allostreptomyces sp. RD068384

  • Marwa Elsbaey,
  • Naoya Oku,
  • Mohamed S. A. Abdel-Mottaleb and
  • Yasuhiro Igarashi

Beilstein J. Org. Chem. 2024, 20, 1981–1987, doi:10.3762/bjoc.20.174

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  • : Allostreptomyces; β-alkylpyrrole; conformer; cytotoxic; DFT; 4-formylpyrrole-2-carboxylic acid; Introduction β-Alkylpyrroles are key structural motifs in biomolecules and functional organic materials [1]. For instance, β-alkylpyrroles are the main building blocks for the life-essential tetrapyrrole pigments
  • , copolymerized β-alkylpyrroles are among the most investigated organic materials for their enhanced physical and electrochemical properties [4][5]. Accordingly, chemists have focused on developing selective synthetic strategies for the construction of β-alkylpyrroles [1]. While the pyrrole nucleus is featured in
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Published 13 Aug 2024

Synthesis and characterization of 1,2,3,4-naphthalene and anthracene diimides

  • Adam D. Bass,
  • Daniela Castellanos,
  • Xavier A. Calicdan and
  • Dennis D. Cao

Beilstein J. Org. Chem. 2024, 20, 1767–1772, doi:10.3762/bjoc.20.155

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  • described isomers and expand the toolbox of electron-deficient aromatic compounds available to organic materials chemists. Keywords: electron acceptors; organic materials; polycyclic aromatic hydrocarbons; Introduction Aromatic diimides are ubiquitous molecular scaffolds that have served as the basis for
  • 1,2,3,4-naphthalene and -anthracene diimide motifs as productive building blocks in imide-based organic materials. a) Structures of previously reported naphthalene and anthracene diimide isomers. b) The novel 1,2,3,4-naphthalene and -anthracene diimides reported here. Superstructures for a) 7-Ph and b) 8
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Published 25 Jul 2024

Organic electron transport materials

  • Joseph Cameron and
  • Peter J. Skabara

Beilstein J. Org. Chem. 2024, 20, 672–674, doi:10.3762/bjoc.20.60

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  • , meaning organic materials can be used effectively in a range of applications. For example, while a non-fullerene acceptor material might not be suitable as an electron transport layer in OPVs due to dissolution of layers, it can used in perovskite solar cells where it can be successfully deposited through
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Published 28 Mar 2024

Aromatic systems with two and three pyridine-2,6-dicarbazolyl-3,5-dicarbonitrile fragments as electron-transporting organic semiconductors exhibiting long-lived emissions

  • Karolis Leitonas,
  • Brigita Vigante,
  • Dmytro Volyniuk,
  • Audrius Bucinskas,
  • Pavels Dimitrijevs,
  • Sindija Lapcinska,
  • Pavel Arsenyan and
  • Juozas Vidas Grazulevicius

Beilstein J. Org. Chem. 2023, 19, 1867–1880, doi:10.3762/bjoc.19.139

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  • compounds. To accurately assess the hole and electron mobility in vacuum-deposited layers of the investigated compounds, we employed the time-of-flight (TOF) method, a reliable technique for characterizing charge transport in organic materials. Our TOF experiments involved samples with a structured
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Published 12 Dec 2023

A deep-red fluorophore based on naphthothiadiazole as emitter with hybridized local and charge transfer and ambipolar transporting properties for electroluminescent devices

  • Suangsiri Arunlimsawat,
  • Patteera Funchien,
  • Pongsakorn Chasing,
  • Atthapon Saenubol,
  • Taweesak Sudyoadsuk and
  • Vinich Promarak

Beilstein J. Org. Chem. 2023, 19, 1664–1676, doi:10.3762/bjoc.19.122

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  • the hole-only and electron-only MIS devices. b) Electric-field dependence of the hole and electron mobilities. Transient signals at different applied maximum voltages for c) electron-only MIS device and d) hole-only MIS device. a) Schematic energy diagram of OLED and organic materials used in the
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Published 03 Nov 2023

A series of perylene diimide cathode interlayer materials for green solvent processing in conventional organic photovoltaics

  • Kathryn M. Wolfe,
  • Shahidul Alam,
  • Eva German,
  • Fahad N. Alduayji,
  • Maryam Alqurashi,
  • Frédéric Laquai and
  • Gregory C. Welch

Beilstein J. Org. Chem. 2023, 19, 1620–1629, doi:10.3762/bjoc.19.119

Graphical Abstract
  • Organic photovoltaic (OPV) devices for energy harvesting or light recycling are of interest due to their low cost, fabrication via layer-by-layer printing, flexibility, and low carbon footprint [1][2]. Due to the processability of organic materials used in OPVs, the large-scale manufacturing of such
  • film, but use of such alcohol-based solvents limits the types of organic materials to be used as CILs. With ethyl acetate as a processing solvent a wider range of organic materials can be developed and studied as CILs. Herein, we report on the design, synthesis, and application of four new CILs using
  • the use of other organic materials that are soluble in ethyl acetate as CILs in conventional type OPVs. Films of each CIL on quartz substrates processed from 1 mg/mL solutions in ethyl acetate are pictured in Supporting Information File 1, Figure S26. Electrochemical properties The electrochemical
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Published 26 Oct 2023

New one-pot synthesis of 4-arylpyrazolo[3,4-b]pyridin-6-ones based on 5-aminopyrazoles and azlactones

  • Vladislav Yu. Shuvalov,
  • Ekaterina Yu. Vlasova,
  • Tatyana Yu. Zheleznova and
  • Alexander S. Fisyuk

Beilstein J. Org. Chem. 2023, 19, 1155–1160, doi:10.3762/bjoc.19.83

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  • Vladislav Yu. Shuvalov Ekaterina Yu. Vlasova Tatyana Yu. Zheleznova Alexander S. Fisyuk Laboratory of New Organic Materials, Omsk State Technical University, 11 Mira Ave., 644050 Omsk, Russian Federation Department of Organic and Analytical Chemistry, F. M. Dostoevsky Omsk State University, Mira
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Published 02 Aug 2023

Photoredox catalysis harvesting multiple photon or electrochemical energies

  • Mattia Lepori,
  • Simon Schmid and
  • Joshua P. Barham

Beilstein J. Org. Chem. 2023, 19, 1055–1145, doi:10.3762/bjoc.19.81

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Published 28 Jul 2023

Synthesis of medium and large phostams, phostones, and phostines

  • Jiaxi Xu

Beilstein J. Org. Chem. 2023, 19, 687–699, doi:10.3762/bjoc.19.50

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  • phosphorus-containing heterocyclic compounds [1][2] and significant agrochemicals [3], medicinal agents [4], and organic materials [5]. They are also organic synthetic intermediates and building blocks [6][7]. To date, only limited four-membered β-phostams [8][9], β-phostones and β-phostines [10] have been
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Published 15 May 2023

Access to cyclopropanes with geminal trifluoromethyl and difluoromethylphosphonate groups

  • Ita Hajdin,
  • Romana Pajkert,
  • Mira Keßler,
  • Jianlin Han,
  • Haibo Mei and
  • Gerd-Volker Röschenthaler

Beilstein J. Org. Chem. 2023, 19, 541–549, doi:10.3762/bjoc.19.39

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  • alkenes. We believe that the synergism of both fluorinated substituents could open new synthetic possibilities in the field of fluorinated organic materials. Results and Discussion We began our studies by preparing the fluorinated carbene precursor, diethyl 2-diazo-1,1,3,3,3-pentafluoropropylphosphonate
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Published 25 Apr 2023

Ionic multiresonant thermally activated delayed fluorescence emitters for light emitting electrochemical cells

  • Merve Karaman,
  • Abhishek Kumar Gupta,
  • Subeesh Madayanad Suresh,
  • Tomas Matulaitis,
  • Lorenzo Mardegan,
  • Daniel Tordera,
  • Henk J. Bolink,
  • Sen Wu,
  • Stuart Warriner,
  • Ifor D. Samuel and
  • Eli Zysman-Colman

Beilstein J. Org. Chem. 2022, 18, 1311–1321, doi:10.3762/bjoc.18.136

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  • limited to 25% [13]. Thermally activated delayed fluorescent (TADF) emitters are one class of purely organic materials that can harvest triplet excitons in electroluminescent (EL) devices through a triplet to singlet reverse intersystem crossing (RISC) upconversion process [14]. Indeed, OLEDs using TADF
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Published 22 Sep 2022

Electrochemical and spectroscopic properties of twisted dibenzo[g,p]chrysene derivatives

  • Tomoya Imai,
  • Ryuhei Akasaka,
  • Naruhiro Yoshida,
  • Toru Amaya and
  • Tetsuo Iwasawa

Beilstein J. Org. Chem. 2022, 18, 963–971, doi:10.3762/bjoc.18.96

Graphical Abstract
  • electronic and optoelectronic materials [1][2][3][4][5][6][7][8][9][10][11][12]. Non-planar PAHs have been extensively investigated from the viewpoint of their synthetic challenge and/or for the development of functional organic materials [13][14][15][16][17][18][19][20][21][22]. Among such PAHs, twisted
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Published 03 Aug 2022

Palladium-catalyzed solid-state borylation of aryl halides using mechanochemistry

  • Koji Kubota,
  • Emiru Baba,
  • Tamae Seo,
  • Tatsuo Ishiyama and
  • Hajime Ito

Beilstein J. Org. Chem. 2022, 18, 855–862, doi:10.3762/bjoc.18.86

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  • organic materials, typically through Suzuki–Miyaura coupling [1][2][3][4][5][6][7]. The palladium-catalyzed boryl substitution of aryl halides with boron reagents, termed Miyaura–Ishiyama borylation, is an efficient method for synthesizing arylboronates with high functional group compatibility [8][9][10
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Published 18 Jul 2022

Rapid gas–liquid reaction in flow. Continuous synthesis and production of cyclohexene oxide

  • Kyoko Mandai,
  • Tetsuya Yamamoto,
  • Hiroki Mandai and
  • Aiichiro Nagaki

Beilstein J. Org. Chem. 2022, 18, 660–668, doi:10.3762/bjoc.18.67

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  • gases are one of the promising reagents concerning environmental aspects. Demands for the use of gases for constructing various functional organic materials should be increased if a reliable and powerful technique for gas-liquid reaction is established. In a conventional batch process, a faster reaction
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Published 13 Jun 2022

Heteroleptic metallosupramolecular aggregates/complexation for supramolecular catalysis

  • Prodip Howlader and
  • Michael Schmittel

Beilstein J. Org. Chem. 2022, 18, 597–630, doi:10.3762/bjoc.18.62

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  • transfer) that include organic materials and supramolecular assemblies. Recently, FRET phenomena have been successfully demonstrated in supramolecular architectures based on metal organic frameworks and covalent organic frameworks [62][63][64]. However, poor solubility of such polymeric systems in common
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Published 27 May 2022

Substituent effect on TADF properties of 2-modified 4,6-bis(3,6-di-tert-butyl-9-carbazolyl)-5-methylpyrimidines

  • Irina Fiodorova,
  • Tomas Serevičius,
  • Rokas Skaisgiris,
  • Saulius Juršėnas and
  • Sigitas Tumkevicius

Beilstein J. Org. Chem. 2022, 18, 497–507, doi:10.3762/bjoc.18.52

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  • .18.52 Abstract The interest in organic materials exhibiting thermally activated delayed fluorescence (TADF) significantly increased in recent years owing to their potential application as emitters in highly efficient organic light emitting diodes (OLEDs). Simple modification of the molecular structure
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Published 05 May 2022

Synthesis and investigation on optical and electrochemical properties of 2,4-diaryl-9-chloro-5,6,7,8-tetrahydroacridines

  • Najeh Tka,
  • Mohamed Adnene Hadj Ayed,
  • Mourad Ben Braiek,
  • Mahjoub Jabli and
  • Peter Langer

Beilstein J. Org. Chem. 2021, 17, 2450–2461, doi:10.3762/bjoc.17.162

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  • recently, we have reported the synthesis of alkynylated 5,6,7,8-tetrahydroacridines [57]. In continuation to our previous work and as a part of our interest in new organic materials [58][59][60], we report herein the synthesis of hitherto unknown 2,4-diaryl-9-chloro-5,6,7,8-tetrahydroacridine derivatives
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Published 20 Sep 2021

Recent advances in the syntheses of anthracene derivatives

  • Giovanni S. Baviera and
  • Paulo M. Donate

Beilstein J. Org. Chem. 2021, 17, 2028–2050, doi:10.3762/bjoc.17.131

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  • application of several organic materials, such as organic light-emitting diodes (OLEDs) [5], organic field-effect transistors (OFETs) [6], polymeric materials [7], and other kinds of materials [8][9][10]. For example, OLEDs fabricated with 9,10-diphenylanthracene derivatives 1 and 2 are blue light emitters
  • years because of their interesting photophysical, photochemical, and biological properties. They are currently the subject of research in several areas, which investigate their use in the biological field and their application in OLEDs, OFETs, polymeric materials, solar cells, and many other organic
  • materials. Their synthesis remains challenging, but some important preparative methods have been reported, especially in the last decade. This review presents an update of the recent strategies that have been employed to prepare anthracene derivatives. It encompasses papers published over the last twelve
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Published 10 Aug 2021

2,4-Bis(arylethynyl)-9-chloro-5,6,7,8-tetrahydroacridines: synthesis and photophysical properties

  • Najeh Tka,
  • Mohamed Adnene Hadj Ayed,
  • Mourad Ben Braiek,
  • Mahjoub Jabli,
  • Noureddine Chaaben,
  • Kamel Alimi,
  • Stefan Jopp and
  • Peter Langer

Beilstein J. Org. Chem. 2021, 17, 1629–1640, doi:10.3762/bjoc.17.115

Graphical Abstract
  • studies and as a part of our interest in discovering new organic materials applications [61][62][63], we herein report the synthesis of new 2,4-bis(arylethynyl)-9-chloro-5,6,7,8-tetrahydroacridine derivatives. The investigation of their photophysical properties and theoretical DFT studies were achieved
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Published 16 Jul 2021

Synthesis of dibenzosuberenone-based novel polycyclic π-conjugated dihydropyridazines, pyridazines and pyrroles

  • Ramazan Koçak and
  • Arif Daştan

Beilstein J. Org. Chem. 2021, 17, 719–729, doi:10.3762/bjoc.17.61

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  • considerable attention as they are widespread in natural products, as well as in pharmaceuticals, agrochemicals, and organic materials. Among the π-CPHs, pyridazines and pyrroles have important roles [17][18][19][20][21][22]. Although there are very few pyridazine ring-containing compounds isolated from nature
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Published 15 Mar 2021
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