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{{expert-subject|Chemistry|date=September 2009}} |
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{{chembox |
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{{chembox |
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| verifiedrevid = 415222568 |
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|ImageFile=1,2-Thiapyran.png |
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| verifiedrevid = 426296707 |
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|ImageSize=100 |
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| ImageFileL1 = 1,2-Thiapyran.svg |
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|IUPACName=2''H''-thiopyran |
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| ImageAltL1 = Skeletal formula of 2H-Thiopyran |
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|OtherNames= |
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| ImageCaptionL1 = 2''H''-Thiopyran |
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| ImageFileR1 = 1,4-Thiapyran.svg |
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| ImageAltR1 = Skeletal formula of 4H-Thiopyran |
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| ImageCaptionR1 = 4''H''-Thiopyran |
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| ImageFileL2 = 1,2-Thiapyran 3D ball.png |
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| ImageSizeL2 = 130 |
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| ImageAltL2 = Ball-and-stick model of the 1,2-thiapyran molecule |
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| ImageFileR2 = 1,4-Thiapyran 3D ball.png |
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| ImageSizeR2 = 130 |
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| ImageAltR2 = Ball-and-stick model of the 1,4-thiapyran molecule |
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| IUPACName=2''H''-Thiopyran; 4''H''-Thiopyran |
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| OtherNames= |
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|Section1={{Chembox Identifiers |
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|Section1={{Chembox Identifiers |
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| index_label = (2''H'') |
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| CASNo= |
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| index1_label = (4''H'') |
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| PubChem=11344401 |
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| CASNo=289-72-5 |
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| SMILES=C1=CC=C=C1 |
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| CASNo1=289-70-3 |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo1_Ref = {{cascite|correct|CAS}} |
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| UNII1_Ref = {{fdacite|correct|FDA}} |
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| UNII1 = W44DE4RPN2 |
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| UNII1_Comment = (2''H'') |
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| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}} |
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| ChemSpiderID = 555888 |
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| ChemSpiderID1_Ref = {{chemspidercite|changed|chemspider}} |
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| ChemSpiderID1 = 119913 |
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| PubChem= 640539 |
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| PubChem1= 136136 |
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|Section2={{Chembox Properties |
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|Section2={{Chembox Properties |
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| C=5 | H=6 | S=1 |
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| Formula=C<sub>5</sub>H<sub>5</sub>S+ |
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| Appearance= |
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| MolarMass=97.1582 |
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| Density=1.1446g/cm3 |
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| Appearance= |
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| Density= |
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| MeltingPt= |
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| BoilingPtC=241.5 |
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|Section3={{Chembox Hazards |
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|Section3={{Chembox Hazards |
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| MainHazards= |
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| FlashPt= |
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| AutoignitionPt = |
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'''Thiopyran''' <ref>http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=11344401#top</ref>, or thiopyrylium <ref>http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=search&db=pccompound&term=11344401</ref> is a ], a ] whose oxygen atom has been replaced with a ] atom. |
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'''Thiopyran''' is a ] with the chemical formula C<sub>5</sub>H<sub>6</sub>S.<ref>{{cite book |last1=Kuthan |first1=J. |last2=Šcebek |first2=P. |last3=Böuhm |first3=S. |chapter=Developments in the Chemistry of Thiopyrans, Selenopyrans, and Teluropyrans |title=Advances in Heterocyclic Chemistry Volume 59 |date=1994 |volume=59 |pages=179–244 |doi=10.1016/S0065-2725(08)60008-2|isbn=9780120207596 }}</ref> It has two isomers, 2''H''-thiopyran and 4''H''-thiopyran, which differ by the location of double bonds. Thiopyrans are analogous to ]s in which the oxygen atoms have been replaced by sulfur atoms. |
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==See also== |
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==See also== |
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* 6-membered aromatic rings with one carbon replaced by another group: ], ], ], ], ], ], ], ], ] |
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* ] |
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* ] |
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* ] |
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* ] |
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==References== |
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==References== |
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{{Reflist}} |
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<references/> |
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{{chemistry-stub}} |
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] |
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] |
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] |
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{{heterocyclic-stub}} |
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] |
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