a heterocyclic, colorless liquid, C4H4S, resembling benzene and found in coal tar
Word origin
thio- + obs. phene, benzene < Fr phène: see phen-
thiophene in American English
(ˈθaiəˌfin)
noun
Chemistry
a water-insoluble, colorless liquid, C4H4S, resembling benzene, occurring in crude coal-tar benzene: used chiefly as a solvent and in organic synthesis
Also: thiophen (ˈθaiəˌfen)
Word origin
[1880–85; thio- + -phene, word-final var. of phen-]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: impressionism, interface, pari-mutuel, rain check, regionalismthio- is a combining form meaning “sulfur,” used in chemical nomenclature in the namesof compounds in which part or all of the oxygen atoms have been replaced by sulfur;often used to designate sulfur analogues of oxygen compounds. Other words that usethe affix thio- include: azathioprine, thioacetamide, thioridazine, thiosinamine, thiothixene; phen- is a combining form used in the names of chemical compounds that contain phenol orthe phenyl group, are related to aromatic compounds, or derive from benzene. Otherwords that use the affix phen- include: acetophenone, butyrophenone, phenazine, phenol, phenoxybenzamine
Examples of 'thiophene' in a sentence
thiophene
The thieno[2,3-b]thiophene ring systems are planar.
Xiang Wang, Yan Li, Ming-Guo Liu 2008, 'Diethyl 3-amino-4-[(triphenylphosphoranylidene)amino]thieno[2,3-b]thiophene-2,5-dicarboxylate',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536808015705. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A strong interaction was found between similar (cation-thiophene or cation-pyrrole) compounds.
Ramalingam Anantharaj, Tamal Banerjee 2011, 'Phase Behaviour of 1-Ethyl-3-methylimidazolium Thiocyanate Ionic Liquid with CatalyticDeactivated Compounds and Water at Several Temperatures: Experiments and TheoreticalPredictions', International Journal of Chemical Engineeringhttp://dx.doi.org/10.1155/2011/209435. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Only a small amount of thiophene sulfur (20.1–16.1%) was removed.
Ning Xu, Xiuxiang Tao 2015, 'Changes in sulfur form during coal desulfurization with microwave: Effect on coalproperties', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S2095268615000592. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Desulphurization experiments were carried out using a model fuel composed of n-octane and thiophene.
Wei Dai, Yaping Zhou, Shengqiang Wang, Lei Long, Li Zhou 2007, 'Catalytic Oxidation of Thiophenes with Air and PW/SBA-15', Adsorption Science & Technologyhttps://doi.org/10.1260/026361707783908283. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both the carbonyl groups are coplanar with the thiophene ring.
Katsuhiro Saito, Masaaki Tomura, Katsuhiko Ono 2008, 'Diethyl 2,3-dihydrothieno[3,4-b]-1,4-dioxine-5,7-dicarboxylate', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536808000937. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The spaces within the network are occupied by the thiophene-2-carbaldehyde molecules.
Seik Weng Ng, Abdullah M. Asiri 2010, '6-Amino-5-(1-amino-2,2-dicyanovinyl)-3,3a,4,5-tetrahydro-2H-indene-4-spiro-1′-cyclopentane-3a,7-dicarbonitrile–thiophene-2-carbaldehyde(1/0.5)', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536810034434. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)