The Fiesselmann thiophene synthesis is a name reaction in organic chemistry that allows for the generation of 3-hydroxy-2-thiophenecarboxylic acid derivatives from α,β-acetylenic esters with thioglycolic acid and its derivatives under the presence of a base. (wikipedia.org)
Nicolaou used the conditions of the Fiesselmann thiophene synthesis to show potential DNA cleaving properties of golfomycin A, a cyclic alkyne with potential antitumor activity. (wikipedia.org)
The synthesis, electrochemical and spectroscopic properties of a series of thiophene-substituted 1,3-dithiole-2-ones is described. (soton.ac.uk)
Synthesis, properties, and photovoltaic characteristics of p-type donor copolymers having fluorine-substituted benzodioxocyclohexene-annelated thiophene. (mpg.de)
A convenient procedure for the synthesis of tetrathia-[7]-helicene and the selective α-functionalization of its terminal thiophene ring / S. Maiorana, A. Papagni, E. Licandro, R. Annunziata, P. Paravidino, D. Perdicchia, C. Giannini, M. Bencini, K. Clays, A. Persoons. (unimi.it)
2019 ) Highly emissive fluorene and thiophene based π-conjugated A-alt-B copolymers: Synthesis, characterization and electroluminescence properties Journal of Luminescence . (academictree.org)
In this work the synthesis, the spectroscopic and photovoltaic characterization of a thienothiophene-thiophene copolymer are reported. (unimore.it)
Benzene6
Thiophene exists in crude benzene fractions produced by coking, which is tar impurity. (gg-oled.com)
Information regarding the physical and chemical properties of benzene is located in Table 4-2. (cdc.gov)
Commercial refined benzene-535 is free of hydrogen sulfide and sulfur dioxide, but contains a maximum of 1 ppm thiophene and a maximum of 0.15% nonaromatics. (cdc.gov)
Benzene is also commercially available as thiophene-free, 99 mole%, 99.94 mole%, and nanograde quality (HSDB 2007). (cdc.gov)
We report Density Functional Theory (DFT) studies of the dipole polarizabilities of benzene, furan and thiophene together with a number of substituted and related systems. (edu.pl)
However, it is the only amide anesthetic that contains a thiophene ring instead of a benzene ring, which accords it more liposolubility, resulting in high tissue penetration and diffusion 3-5 . (bvsalud.org)
Characterization1
Preparation and Characterization of Solution Processed Organic Semiconductor Interfaces: Electronic Properties of Thiophene-Fullerene based Donor-Acceptor Systems. (tu-darmstadt.de)
Derivatives2
Chemistry of Heterocyclic Compounds: Thiophene and Its Derivatives, Part Four, Volume 44. (wikipedia.org)
In the present study, we have synthesized new derivatives of 4,5- diarylthiophene-2-carboxylic acid by modifying the hydroxyl group of the phenyl ring and carboxylic acid group of the thiophene ring.Aseries of novel 4,5-diarylthiophene-2-carboxylic acid derivatives containing bis-allyloxyand hydroxypropoxy with methyl or ethyl ester moieties were synthesized, characterized and subsequently evaluated for anti-inflammatory and antioxidant property. (ias.ac.in)
Heterocyclic compound1
From a structural perspective, thiophene is a heterocyclic compound and a sulfur ether. (gg-oled.com)
Phenyl4
Among the novel compounds, the inhibition of bovineserum albumin denaturation assay revealed that the compound 4,5-bis(4-(3-hydroxypropoxy)phenyl)thiophene- 2-carboxylic acid (15) and ethyl ester (13) having anti-inflammatory activity better than the standard drugdiclofenac sodium. (ias.ac.in)
The antioxidant screening showing 4,5-bis(4-(allyloxy)phenyl)thiophene-2-carboxylic acid (10), 4,5-bis(4-(3-hydroxypropoxy)phenyl)thiophene-2-carboxylic acid methyl ester (11) and 4,5-bis(4-(3- hydroxypropoxy)phenyl)thiophene-2-carboxylic acid ethyl ester (13) exhibited a slightly moderate antioxidant activity than standard ascorbic acid. (ias.ac.in)
Particularly, the compound ethyl 4,5-bis(4- (allyloxy)phenyl)thiophene-2-carboxylate (8) and allyl 4,5-bis(4-(allyloxy)phenyl)thiophene-2-carboxylate (9) having high free energy binding of −10.40 and −10.48 Kcal/mol, respectively. (ias.ac.in)
A series of ethyl 2-(2-cyano-3-(substituted phenyl)acrylamido)-4,5,6,7- tetrahydrobenzo[b]thiophene-3-carboxylates were prepared by knoevenagel condensation of active methylene group of ethyl 2-(2-cyanoacetamido)- 4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate with substituted benzaldehydes in toluene containing catalytic amounts of glacial acetic acid and piperidine. (ijcmas.com)
Polymers4
Tuning the optoelectronic properties of dual-acceptor based low-bandgap ambipolar polymers by changing the thiophene-bridge length. (mpg.de)
Silole-containing polymers have been prepared by Yamaguchi, Tamao, and their coworkers, and the excellent electron-transporting properties of these polymers were demonstrated in organic EL devices. (nature.com)
The blue polymers exhibited similar electrochemical properties to the benchmark P3HT with the advantage of absorbing more of the visible spectrum. (uni-koeln.de)
Poly[2-nonanoylthieno[3,4-b]thiophene-4,6-diyl-alt-4,4'-bis(octylsulfanyl)-2,2'-bithiophene]) was obtained by Stille coupling between the dibromo derivative of 2-nonanoylthienothiophene and a distannyl derivative of bis(octylsulfanyl)bithiophene.Bulk heterojunction solar cells using these polymers as donor materials blended with PCBM as acceptor were prepared and investigated. (unimore.it)
Electrochemical2
Effect of electroactive ferrocene on the optical and electrochemical properties of polythiophenes were examined. (spie.org)
Properties of the electrochemical sensors were evaluated. (elsevierpure.com)
Photovoltaic2
90%. The short-circuit current densities (J sc ) for the cell containing PThFc was highly dependent on the thermal annealing process, indicating that the photovoltaic properties could be optimized by the control of polymer structure. (spie.org)
Enhanced Photovoltaic Performance of Amorphous Donor-Acceptor Copolymers Based on Fluorine-Substituted Benzodioxocyclohexene-Annelated Thiophene. (mpg.de)
His research spans a wide range, from the quantum chemistry of small molecules and the spectroscopic properties of proteins, to the application of state-of-the-art statistical and computer science methodology to problems in bioinformatics, drug design and sustainable chemistry. (nottingham.ac.uk)
Organic3
III-V type inorganics are widely used, however, in recent years, organic molecules with semiconducting and fluorescent properties have emerged as an alternative with advantages such as solution processing [8-10] and ease of tunability of properties [11] . (beilstein-journals.org)
Their self-assembly properties and compatibility with flexible platforms make these organic materials promising. (chemistryviews.org)
Symposium H - Organic and Hybrid Materials for Flexible Electronics: Properties and Applications:(2012), pp. 26-26. (unimore.it)
Molecular2
The molecular motif was chosen because the EDOT unit presents the possibility of competing O···X or S···X non-covalent contacts (where X = H or F). Such non-bonding interactions are acknowledged to be highly influential in dictating molecular and polymer morphology and inducing changes in certain physical properties. (gla.ac.uk)
Molecular analyses confirmed the strains as M. bovis , which in part have phenotypic and biochemical properties of M. tuberculosis . (cdc.gov)
Thermal properties2
It is required for those red, green, and blue emitters to show high EL efficiency, good thermal properties, long lifetime, and pure color coordinates (1931 Commission Internationale de l'Eclairage (CIE)) in order to be applied to large full-color displays. (springer.com)
Thermal properties of the compounds were measured by thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) using a SDT2960 and DSC2910 (TA Instruments, New Castle, DE, USA). (springer.com)
Ethyl1
Ethanethiol (ethyl mercaptan): Thermodynamic properties in the solid, liquid and vapor states. (nist.gov)
Donor1
Solution-processable polyazomethines containing thiophenes were synthesized and used as the donor material in bulk heterojunction solar cells. (uni-koeln.de)
Compounds1
The antioxidant properties and antibacterial effects of the synthesized compounds were studied. (ijcmas.com)
Materials3
Physical properties by the change of the substitution groups of the synthesized materials were systematically examined. (springer.com)
In the first chapter the technology of production of disulphide oil, substitutes (DMDS) and thiophene is discussed in detail, potential sources of raw materials are listed. (infomine.ru)
2019 ) Effect of thermodynamic glass transition on charge transport properties in a benzodithieno-imidazole π-conjugated polymer: fullerene blend Materials Research Express . (academictree.org)
Thermodynamic1
Scott, D.W. , Chemical Thermodynamic Properties of Hydrocarbons and Related Substances: Properties of Alkane Hydrocarbons C 1 through C 10 , APIRP62 Report 39,U.S. Dept. of Interior,Bureau of Mines , 1974, 1. (nist.gov)
System1
Thiophene (thiophene), System name 1-Sulphur Miscellaneous-2, 4-cyclopentadienyl, CAS 110-02-1. (gg-oled.com)
Mechanical1
2. HEALTH EFFECTS contaminants in the oil increases with use and varies depending on the type of fuel used and the mechanical properties of the engine. (cdc.gov)
Application1
2020 ) Diketopyrrolopyrrole/perylene-diimide and thiophene based D-π-A low bandgap polymer sensitizers for application in dye sensitized solar cells Dyes and Pigments . (academictree.org)
Study2
The purpose of the study was to analyze the market for disulfide oil, dimethyl disulphide and thiophene in Russia. (infomine.ru)
The object of the study is disulphide oil, its substitute dimethyldisulphide (DMDS) and thiophene. (infomine.ru)
Characteristics1
Identification of M. bovis traditionally has been based on clear-cut differences in phenotypic characteristics and biochemical properties when compared to the other members of the MTBC ( 1 , 2 ). (cdc.gov)
5P-VTPA and 5P-DVTPA exhibited superior highly blue quality and thermal property such as high T d of 448°C and 449°C. (springer.com)
The analysis of the docking results, which takes into account the hydrophilic and hydrophobic interactions betweenthe ligands and the target, identified N-(4-bromophenyl)-4,5-bis(4 hydroxyphenyl)thiophene-2-carboxamide (6k) having high binding free energy of −11.67 kcal/mole (comparable with standard diclofenac sodium) and the best docking score, indicating effective binding of the compound 6k at the active site. (ias.ac.in)
Chemical1
Additives are added to lubricating oils to improve its physical and chemical properties. (cdc.gov)
Data2
The SNIFTIRS data suggested that Th-3,3(2,2'-Me) was formed by bonding via the P-positions of the thiophene ring, resulting in a poorly conductive polymer. (soton.ac.uk)
In the fourth chapter , data on import prices for dimethyldisulfide and thiophene are analyzed. (infomine.ru)
Highly1
PAHs are known to be highly toxic environmental contaminants with carcinogenic and mutagenic properties. (cdc.gov)
Report2
This report is the second edition of the market research of disulfide oil, dimethyl disulphide (DMDS) and thiophene in Russia. (infomine.ru)
In the fifth chapter of the report, potential areas of consumption of disulfide oil, substitutes (DMDS) and thiophene are considered. (infomine.ru)