thiophen


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thiophen

(ˈθaɪəʊˌfɛn) or

thiophene

n
(Elements & Compounds) a colourless liquid heterocyclic compound found in the benzene fraction of coal tar and manufactured from butane and sulphur. It has an odour resembling that of benzene and is used as a solvent and in the manufacture of dyes, pharmaceuticals, and resins. Formula: C4H4S. Also called: thiofuran
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Andrieu, "Field-gradient-induced birefringence in dilute solutions of furan, thiophen and selenophen in cyclohexane," Journal of the Chemical Society, Faraday Transactions 2,vol.
Second harmonic generation, electrooptical pockels effect, and static first-order hyperpolarizabilities of 2,2-bithiophene conformers: an HF, MP2, and DFT theoretical investigation
[sup.1]H-NMR (300 MHz, DMSO-d6]): [delta] ppm 8.3 (8.8) (doublet, 2H, ArH, J = 6.8 Hz), 8.2 (8.6) (doublet, 2H, ArH, J = 6.8 Hz), 7.9 (7.7) (singlet, [sup.1]H, pyrimidine), 7.8 (5.8) (singlet, 1H, OH, [D.sub.2]O exchangeable), 7.1-7.7 (7.3-8) (multiplet, 3H, thiophen), anal.
Synthesis of Some Pyrimidine, Pyrazole, and Pyridine Derivatives and Their Reactivity Descriptors
In this work, we report our investigation on the alane-trihalide (Al[X.sub.3], X = F, Cl, and Br) donor-acceptor complexes [X.sub.3]Al-Y[C.sub.4][H.sub.4] (Y = O in furan, Y = NH in pyrrole, and Y = S in thiophen) compared to the alane [H.sub.3]Al-Y[C.sub.4][H.sub.4] ones.
A theoretical investigation of furan-Al[X.sub.3], pyrrole-Al[X.sub.3] and thiophene-Al[X.sub.3] (X = H, F, Cl, Br) interactions
Keeping in mind the bioactivity of Schiff bases, a novel Schiff base bearing furan and thiophen rings has been synthesized and evaluated for the in vitro antifungal activity against Fusarium oxysporum f.sp albedinis FAO fungal strains and the anticancer activity toward breast (MDA-MB231) and colorectal (LoVo) human cell lines cancers.
In Vitro Antifungal, Anticancer Activities and POM Analyses of a Novel Bioactive Schiff Base 4-{[(E)-furan-2-ylmethylidene]amino}p-henol: Synthesis, Characterization and Crystal Structure
Serafinowska, "The synthesis of 5-alkoxy and 5-amino substituted thiophenes," Tetrahedron Letters, vol.
Synthesis, Characterization, and Antibacterial and Anti-Inflammatory Activities of New Pyrimidine and Thiophene Derivatives
Thiophenes are abundant in pharmaceuticals and natural products.
Synthesis, Structure, and Cyclocondensation of the 4,4,4-Trifluoro-3,3-dihydroxy-2-methyl- 1-(thien-2-yl)-1butanone with Hydroxylamine and Hydrazine

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