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20 Results Found

  • Review
  • Open Access
44 Citations
12,063 Views
103 Pages

Recent Advances in the Synthesis of Selenophenes and Their Derivatives

  • Paola S. Hellwig,
  • Thiago J. Peglow,
  • Filipe Penteado,
  • Luana Bagnoli and ,
  • Gelson Perin and
  • Eder J. Lenardão
  • + 1 author+ 0 author

13 December 2020

The selenophene derivatives are an important class of selenium-based heterocyclics. These compounds play an important role in prospecting new drugs, as well as in the development of new light-emitting materials. During the last years, several methods...

(This article belongs to the Special Issue Organoselenium Reagents and Their Applications)
  • Article
  • Open Access
46 Citations
7,839 Views
10 Pages

Antioxidant Properties of Selenophene, Thiophene and Their Aminocarbonitrile Derivatives

  • Levon A. Tavadyan,
  • Zaruhi H. Manukyan,
  • Lusik H. Harutyunyan,
  • Makich V. Musayelyan and ,
  • Adrine D. Sahakyan and
  • Hakob G. Tonikyan
  • + 1 author+ 0 author

The oxygen radical absorbance capacity (ORAC) method was used to detect the antiperoxyradical ability of organoselenium compounds: selenophene and its derivative, 2-amino-4,5,6,7-tetrahydro-1-selenophene-3-carbonitrile (ATSe); while as a comparison,...

(This article belongs to the Special Issue Selenium and Selenoproteins for Optimal Health)
  • Article
  • Open Access
21 Citations
6,701 Views
13 Pages

Resveratrol-Inspired Benzo[b]selenophenes Act as Anti-Oxidants in Yeast

  • Dominika Mániková,
  • Zuzana Šestáková,
  • Jana Rendeková,
  • Danuša Vlasáková and ,
  • Patrícia Lukáčová,
  • Edgars Paegle,
  • Pavel Arsenyan and
  • Miroslav Chovanec
  • + 3 authors+ 0 author

24 February 2018

Resveratrol is a natural (poly)phenol primarily found in plants protecting them against pathogens, as well as harmful effects of physical and chemical agents. In higher eukaryotic cells and organisms, this compound displays a remarkable range of biol...

(This article belongs to the Special Issue Small Molecule Catalysts with Therapeutic Potential)
  • Article
  • Open Access
9 Citations
4,030 Views
14 Pages

Synthesis of 3,4-Bis(Butylselanyl)Selenophenes and 4-Alkoxyselenophenes Promoted by Oxone®

  • Paola S. Hellwig,
  • Jonatan S. Guedes,
  • Angelita M. Barcellos,
  • Gelson Perin and
  • Eder J. Lenardão

19 April 2021

We describe herein an alternative transition-metal-free procedure to access 3,4-bis(butylselanyl)selenophenes and the so far unprecedented 3-(butylselanyl)-4-alkoxyselenophenes. The protocol involves the 5-endo-dig electrophilic cyclization of 1,3-di...

(This article belongs to the Special Issue Recent Advances in Organoselenium Chemistry)
  • Review
  • Open Access
18 Citations
4,475 Views
23 Pages

Recent Advances in Selenophene-Based Materials for Organic Solar Cells

  • Xuan Liu,
  • Xin Jiang,
  • Kaifeng Wang,
  • Chunyang Miao and
  • Shiming Zhang

8 November 2022

Due to the low cost, light weight, semitransparency, good flexibility, and large manufacturing area of organic solar cells (OSCs), OSCs have the opportunity to become the next generation of solar cells in some specific applications. So far, the effic...

(This article belongs to the Special Issue Advances of Photoelectric Functional Materials and Devices)
  • Article
  • Open Access
26 Citations
3,366 Views
19 Pages

Enhancing the Photovoltaic Properties via Incorporation of Selenophene Units in Organic Chromophores with A2-π2-A1-π1-A2 Configuration: A DFT-Based Exploration

  • Muhammad Nadeem Arshad,
  • Iqra Shafiq,
  • Muhammad Khalid,
  • Mohammad Asad and ,
  • Abdullah M. Asiri,
  • Maha M. Alotaibi,
  • Ataualpa A. C. Braga,
  • Anish Khan and
  • Khalid A. Alamry
  • + 4 authors+ 0 author

17 March 2023

Currently, polymer organic solar cells (POSCs) are widely utilized due to their significant application, such as low-cost power conversion efficiencies (PCEs). Therefore, we designed a series of photovoltaic materials (D1, D2, D3, D5 and D7) by the i...

(This article belongs to the Section Polymer Physics and Theory)
  • Article
  • Open Access
5 Citations
2,628 Views
10 Pages

The Cytotoxic Activity of Diiron Bis-Cyclopentadienyl Complexes with Bridging C3-Ligands

  • Simona Braccini,
  • Giacomo Provinciali,
  • Lorenzo Biancalana,
  • Guido Pampaloni and ,
  • Federica Chiellini and
  • Fabio Marchetti
  • + 1 author+ 0 author

11 May 2021

Diiron bis-cyclopentadienyl bis-carbonyl cationic complexes with a bridging vinyliminium ligand, [Fe2Cp2(CO)(μ-CO){μ-η1:η3-C3(R′)C2HC1NMe(R″)}]CF3SO3 (R = Xyl = 2,6-C6H3Me2, R′ = Ph, R″ = H, 2a; R = Xyl, R′ = R″ = Me, 2b; R = R′ = Me, R″ = H, 2c; R =...

(This article belongs to the Section Chemical and Molecular Sciences)
  • Article
  • Open Access
2 Citations
2,745 Views
23 Pages

Building Block Engineering toward Realizing High-Performance Electrochromic Materials and Glucose Biosensing Platform

  • Aliekber Karabag,
  • Dilek Soyler,
  • Yasemin Arslan Udum,
  • Levent Toppare and ,
  • Gorkem Gunbas and
  • Saniye Soylemez
  • + 1 author+ 0 author

25 June 2023

The molecular engineering of conjugated systems has proven to be an effective method for understanding structure–property relationships toward the advancement of optoelectronic properties and biosensing characteristics. Herein, a series of thre...

(This article belongs to the Special Issue Biosensor Nanoengineering: Design, Operation and Implementation)
  • Article
  • Open Access
15 Citations
4,257 Views
14 Pages

Benzo[b]tellurophenes as a Potential Histone H3 Lysine 9 Demethylase (KDM4) Inhibitor

  • Yoon-Jung Kim,
  • Dong Hoon Lee,
  • Yong-Sung Choi,
  • Jin-Hyun Jeong and
  • So Hee Kwon

25 November 2019

Gene expression and tumor growth can be regulated by methylation levels of lysine residues on histones, which are controlled by histone lysine demethylases (KDMs). Series of benzo[b]tellurophene and benzo[b]selenophene compounds were designed and syn...

(This article belongs to the Special Issue Modifications of Molecular Structure and Interactions in Epigenome)
  • Feature Paper
  • Article
  • Open Access
25 Citations
4,303 Views
12 Pages

A Selenophene-Incorporated Metal–Organic Framework for Enhanced CO2 Uptake and Adsorption Selectivity

  • Pavel A. Demakov,
  • Sergey S. Volynkin,
  • Denis G. Samsonenko,
  • Vladimir P. Fedin and
  • Danil N. Dybtsev

24 September 2020

A new metal–organic coordination polymer [Zn2(sedc)2(dabco)] (1se; sedc2− = selepophene-2,5-dicarboxylate; dabco = 1,4-diazabicyclo[2.2.2]octane) was synthesized and characterized by single-crystal X-ray diffraction analysis. This MOF is...

(This article belongs to the Special Issue Zn(II) and Cd(II) Coordination Polymers: Advances and Perspectives)
  • Article
  • Open Access
1 Citations
1,639 Views
17 Pages

A Comparative Study Using Reversed-Phase and Hydrophilic Interaction Liquid Chromatography to Investigate the In Vitro and In Vivo Metabolism of Five Selenium-Containing Cathinone Derivatives

  • Lea Wagmann,
  • Jana H. Schmitt,
  • Tanja M. Gampfer,
  • Simon D. Brandt and ,
  • Kenneth Scott,
  • Pierce V. Kavanagh and
  • Markus R. Meyer
  • + 2 authors+ 0 author

Background/Objectives: The emergence of cathinone-based psychostimulants necessitates ongoing research and analysis of the characteristics and properties of novel derivatives. The metabolic fate of five novel cathinone-derived substances (ASProp, MAS...

(This article belongs to the Section Pharmacology and Drug Metabolism)
  • Article
  • Open Access
2 Citations
3,221 Views
16 Pages

Expedient Synthesis of Substituted Thieno[3,2-b]thiophenes and Selenopheno[3,2-b]selenophenes Through Cascade Cyclization of Alkynyl Diol Derivatives

  • Yingqi Feng,
  • Xuelin Zhang,
  • Ziqing He,
  • Miaoshan Zhao and ,
  • Lu Chen,
  • Yibiao Li and
  • Xiai Luo
  • + 2 authors+ 0 author

21 November 2024

Thieno[3,2-b]thiophenes are used as key components in optoelectronic materials, porous hydrogen-storage hosts, organic solar cells, and polymer semiconductors. A step-efficient synthetic protocol was proposed herein for obtaining multisubstituted thi...

(This article belongs to the Section Organic Chemistry)
  • Feature Paper
  • Review
  • Open Access
21 Citations
5,662 Views
21 Pages

18 January 2021

This review gives an up-to-date overview of the different ways (routes) to the synthesis of coumarin(benzopyrone)-fused, five-membered aromatic heterocycles with one heteroatom, built on the pyrone moiety. Covering 1966 to 2020.

(This article belongs to the Special Issue Coumarin and Its Derivatives)
  • Article
  • Open Access
12 Citations
9,448 Views
13 Pages

1 February 2022

The reactivity of thiophene in Diels-Alder reactions is investigated with different maleimide derivatives. In this paper, we have synthesized for the first time the Diels–Alder adducts of thiophene at room temperature and atmospheric pressure....

(This article belongs to the Section Chemical Biology)
  • Article
  • Open Access
2 Citations
1,612 Views
13 Pages

Enhanced Nonlinear Optical Absorption in Fused-Ring Aromatic Donor–Acceptor–Donor Core Units of Y6 Derivatives

  • Xingyuan Wen,
  • Tianyang Dong,
  • Xingzhi Wu,
  • Jiabei Xu and ,
  • Xiaofeng Shi,
  • Yinglin Song,
  • Chunru Wang and
  • Li Jiang
  • + 3 authors+ 0 author

26 June 2025

This fundamental understanding of molecular structure–NLO property relationships provides critical design principles for next-generation optical limiting materials, quantum photonic devices, and ultrafast nonlinear optical switches, addressing...

(This article belongs to the Section Physical Chemistry)
  • Article
  • Open Access
7 Citations
3,353 Views
14 Pages

Clean and renewable energy development is becoming frontier research for future energy resources, as renewable energy offers sustainable and environmentally friendly alternatives to non-renewable sources such as fossil fuels. Among various renewable...

(This article belongs to the Special Issue Cutting-Edge Characterizations for Expanding Energy Material Chemistries)
  • Review
  • Open Access
181 Citations
8,702 Views
27 Pages

Selenium Compounds as Novel Potential Anticancer Agents

  • Dominika Radomska,
  • Robert Czarnomysy,
  • Dominik Radomski and
  • Krzysztof Bielawski

20 January 2021

The high number of new cancer incidences and the associated mortality continue to be alarming, leading to the search for new therapies that would be more effective and less burdensome for patients. As there is evidence that Se compounds can have chem...

(This article belongs to the Special Issue Molecular Target and Action Mechanism of Anti-Cancer Agents)
  • Article
  • Open Access
2,086 Views
12 Pages

S/Se-Terchalcogenophene-C60 Dyads: Synthesis and Characterization of Optical and Photosensitizing Properties

  • Radosław Motyka,
  • Klaudia Nastula,
  • Piotr Pander,
  • Damian Honisz and ,
  • Mateusz Tomczyk,
  • Karol Erfurt and
  • Agata Blacha-Grzechnik
  • + 2 authors+ 0 author

24 March 2023

Fullerenes have been long investigated for application as singlet oxygen sources. Even though they possess high photosensitizing efficiency, their practical use is still limited, mostly because of insufficient absorption of visible and/or near-infrar...

  • Article
  • Open Access
40 Citations
5,992 Views
25 Pages

Enzymatic Platforms for Sensitive Neurotransmitter Detection

  • Sylwia Baluta,
  • Dorota Zając,
  • Adam Szyszka,
  • Karol Malecha and
  • Joanna Cabaj

11 January 2020

A convenient electrochemical sensing pathway was investigated for neurotransmitter detection based on newly synthesized silole derivatives and laccase/horseradish-peroxidase-modified platinum (Pt)/gold (Au) electrodes. The miniature neurotransmitter&...

(This article belongs to the Section Biosensors)
  • Article
  • Open Access
21 Citations
4,917 Views
14 Pages

The Halogen Bond in Weakly Bonded Complexes and the Consequences for Aromaticity and Spin-Orbit Coupling

  • Ana V. Cunha,
  • Remco W. A. Havenith,
  • Jari van Gog,
  • Freija De Vleeschouwer and ,
  • Frank De Proft and
  • Wouter Herrebout
  • + 1 author+ 0 author

12 January 2023

The halogen bond complexes CF3X⋯Y and C2F3X⋯Y, with Y = furan, thiophene, selenophene and X = Cl, Br, I, have been studied by using DFT and CCSD(T) in order to understand which factors govern the interaction between the halogen atom X and...

(This article belongs to the Special Issue Chemical Bond and Intermolecular Interactions)