2,3-Dihydrothiophene

2,3-Dihydrothiophene
Names

IUPAC name 2,3-Dihydrothiophene
Identifiers
CAS Number	1120-59-8^N
3D model (Jmol)	Interactive image Interactive image
ChemSpider	120627^Y
PubChem	136880
InChI InChI=1S/C4H6S/c1-2-4-5-3-1/h1,3H,2,4H2^Y Key: OXBLVCZKDOZZOJ-UHFFFAOYSA-N^Y InChI=1/C4H6S/c1-2-4-5-3-1/h1,3H,2,4H2 Key: OXBLVCZKDOZZOJ-UHFFFAOYAG
SMILES C1CSC=C1 S1\C=C/CC1
Properties
Chemical formula	C₄H₆S
Molar mass	86.16 g/mol
Appearance	colorless liquid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Dihydrothiophene is a heterocyclic compound and an organosulfur compound with the formula SC₄H₆. Two isomers exist, the 2,3-dihydro- (depicted above) and the more symmetrical 2,5-dihydro isomer (CAS# 1708-32-3). Both are colorless liquids with characteristic fragrance of thioethers. In terms of their reactivity, both isomers exhibit characteristics of alkenes and thioethers, undergoing addition reactions at carbon and oxidation at sulfur. In contrast, thiophene engages in neither reaction.^[1]

References

↑ Shvekhgeimer, M. G. A., "Dihydrothiophenes. Synthesis and properties (review)", Chemistry of Heterocyclic Compounds 1998, 34, 1101-1122. doi:10.1007/BF02319487

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