furan ring

furan ring
حلقة فورانية

English-Arabic Medical Dictionary. 2013.

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  • Furan — This article is about the chemical industrial compound. For the unintentional contaminant byproduct, see Polychlorinated dibenzofurans. For other uses, see Furan (disambiguation). Furan …   Wikipedia

  • Furan — Strukturformel Allgemeines Name Furan Andere Namen Furfuran Divinylenox …   Deutsch Wikipedia

  • furan — /fyoor an, fyoo ran /, n. a colorless, liquid, unsaturated, five membered heterocyclic compound, C4H4O, obtained from furfural: used chiefly in organic synthesis. Also called furfuran. [1890 95; aph. form of FURFURAN] * * * ▪ chemical compound… …   Universalium

  • furan — 1. A cyclic compound found, usually in saturated form, in those sugars with an oxygen bridge between carbon atoms 1 and 4, or 2 and 5, or 3 and 7, for which reason they are known as furanoses. 2. Oxa 2,4 cyclopentadiene. * * * fu·ran fyu̇(ə)r .an …   Medical dictionary

  • furan — 1. noun Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and an oxygen atom; especially the simplest one, CHO. 2. adjective old …   Wiktionary

  • furan — [ fjʊəran] noun Chemistry a volatile liquid organic compound with an unsaturated five membered ring in its molecule. Origin C19: from synonymous furfuran, from L. furfur bran + an …   English new terms dictionary

  • Heterozyklischer Ring — Struktur von Thiophen Heterocyclen sind cyclische chemische Verbindungen mit ringbildenden Atomen aus mindestens zwei verschiedenen chemischen Elementen. Der Name setzt sich zusammen aus griechisch hetero = anders, fremd und lateinisch cyclus =… …   Deutsch Wikipedia

  • Aromatic ring current — This article is about aromatic chemistry. For the meteorological effect, see Ring current. A diagram of an aromatic ring current. B0 is the applied magnetic field, the red arrow indicating its direction. The orange ring shows the direction of the …   Wikipedia

  • Psoralen — Chembox new Name = Psoralen IUPACName = 7H furo [3,2 g] chromen 7 one or 7H furo [3,2 g] benzopyran 7 one ImageFile = Psoralen.png ImageName = Chemical structure of psoralen Section1 = Chembox Identifiers CASNo = 66 97 7 SMILES = O=C1OC2=CC3=C (C …   Wikipedia

  • Ranitidine — Systematic (IUPAC) name …   Wikipedia

  • furanose — A saccharide unit or molecule containing the furan cyclic structure; specific examples are preceded by prefixes indicating the configuration, e.g., fructofuranose, ribofuranose. [furan + ose(1)] * * * fu·ra·nose fyu̇r ə .nōs, .nōz …   Medical dictionary

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