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- Pyran abstract "In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds. The molecular formula is C5H6O. There are two isomers of pyran that differ by the location of the double bonds. In 2H-pyran, the saturated carbon is at position 2, whereas, in 4H-pyran, the saturated carbon is at position 4.4H-Pyran was first isolated and characterized in 1962 via pyrolysis of 2-acetoxy-3,4-dihydro-2H-pyran. It was found too unstable, particularly in the presence of air. 4H-pyran easily disproportionates to the corresponding dihydropyran and the pyrylium ion, which is easily hydrolyzed in aqueous medium.Although the pyrans themselves have little significance in chemistry, many of their derivatives are important biological molecules, such as the pyranoflavonoids.The term pyran is also often applied to the saturated ring analog, which is more properly referred to as tetrahydropyran (oxane). In this context, the monosaccharides containing a six-membered ring system are known as pyranoses.".
- Pyran iupacName "2H-Pyran, 4H-Pyran".
- Pyran thumbnail 2H-Pyran.png?width=300.
- Pyran wikiPageID "808932".
- Pyran wikiPageLength "3149".
- Pyran wikiPageOutDegree "21".
- Pyran wikiPageRevisionID "676504362".
- Pyran wikiPageWikiLink Carbon.
- Pyran wikiPageWikiLink Category:Pyrans.
- Pyran wikiPageWikiLink Chemical_formula.
- Pyran wikiPageWikiLink Chemistry.
- Pyran wikiPageWikiLink Dihydropyran.
- Pyran wikiPageWikiLink Double_bond.
- Pyran wikiPageWikiLink Furan.
- Pyran wikiPageWikiLink Furfural.
- Pyran wikiPageWikiLink Heterocyclic.
- Pyran wikiPageWikiLink Heterocyclic_compound.
- Pyran wikiPageWikiLink Isomer.
- Pyran wikiPageWikiLink Molecular_formula.
- Pyran wikiPageWikiLink Monosaccharide.
- Pyran wikiPageWikiLink Oxygen.
- Pyran wikiPageWikiLink Pyranoflavonoid.
- Pyran wikiPageWikiLink Pyranose.
- Pyran wikiPageWikiLink Pyrolysis.
- Pyran wikiPageWikiLink Pyrone.
- Pyran wikiPageWikiLink Pyrylium.
- Pyran wikiPageWikiLink Pyrylium_salt.
- Pyran wikiPageWikiLink Tetrahydropyran.
- Pyran wikiPageWikiLink Thiopyran.
- Pyran wikiPageWikiLinkText "Pyran".
- Pyran wikiPageWikiLinkText "pyran rings".
- Pyran wikiPageWikiLinkText "pyran".
- Pyran hasPhotoCollection Pyran.
- Pyran imagecaptionl "2".
- Pyran imagecaptionr "4".
- Pyran imagefilel "2".
- Pyran imagefilel "Pyran3d.png".
- Pyran imagefiler "4".
- Pyran imagesizel "75".
- Pyran imagesizer "75".
- Pyran iupacname "2".
- Pyran othernames "2".
- Pyran verifiedfields "changed".
- Pyran verifiedrevid "449813767".
- Pyran watchedfields "changed".
- Pyran wikiPageUsesTemplate Template:Chembox.
- Pyran wikiPageUsesTemplate Template:Reflist.
- Pyran subject Category:Pyrans.
- Pyran hypernym Ring.
- Pyran type AnatomicalStructure.
- Pyran type Article.
- Pyran type ChemicalCompound.
- Pyran type ChemicalSubstance.
- Pyran type Article.
- Pyran type Chemical.
- Pyran type Heterocycle.
- Pyran type ChemicalObject.
- Pyran type Thing.
- Pyran type Concept.
- Pyran type Q11173.
- Pyran comment "In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds. The molecular formula is C5H6O. There are two isomers of pyran that differ by the location of the double bonds. In 2H-pyran, the saturated carbon is at position 2, whereas, in 4H-pyran, the saturated carbon is at position 4.4H-Pyran was first isolated and characterized in 1962 via pyrolysis of 2-acetoxy-3,4-dihydro-2H-pyran.".
- Pyran label "Pyran".
- Pyran sameAs Пиран_(органично_съединение).
- Pyran sameAs Piran_(química).
- Pyran sameAs Pyrane.
- Pyran sameAs Pirano.
- Pyran sameAs Pyrane.
- Pyran sameAs Pirano.
- Pyran sameAs Piran.
- Pyran sameAs Pirano_(chimica).
- Pyran sameAs ピラン_(化学).
- Pyran sameAs Pyraan.
- Pyran sameAs Piran_(związek_chemiczny).
- Pyran sameAs Pirano.
- Pyran sameAs m.03djz1.
- Pyran sameAs Piran_(molekul).
- Pyran sameAs Piran_(molekul).
- Pyran sameAs Pyran.
- Pyran sameAs Pyran.
- Pyran sameAs Q217356.
- Pyran sameAs Q217356.
- Pyran sameAs 吡喃.
- Pyran wasDerivedFrom Pyran?oldid=676504362.
- Pyran depiction 2H-Pyran.png.
- Pyran isPrimaryTopicOf Pyran.