Thiopyran is a heterocyclic compound with the chemical formula C5H6S.[1] It has two isomers, 2H-thiopyran and 4H-thiopyran, which differ by the location of double bonds. Thiopyrans are analogous to pyrans in which the oxygen atoms have been replaced by sulfur atoms.

Thiopyran
Skeletal formula of 2H-Thiopyran
2H-Thiopyran
Skeletal formula of 4H-Thiopyran
4H-Thiopyran
Ball-and-stick model of the 1,2-thiapyran molecule
Ball-and-stick model of the 1,4-thiapyran molecule
Names
IUPAC name
2H-Thiopyran; 4H-Thiopyran
Identifiers
ChemSpider
UNII
Properties
C5H6S
Molar mass 98.16 g·mol−1
Density 1.1446g/cm3
Boiling point 241.5 °C (466.7 °F; 514.6 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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See also edit

References edit

  1. ^ Kuthan, J.; Šcebek, P.; Böuhm, S. (1994). "Developments in the Chemistry of Thiopyrans, Selenopyrans, and Teluropyrans". Advances in Heterocyclic Chemistry Volume 59. Vol. 59. pp. 179–244. doi:10.1016/S0065-2725(08)60008-2. ISBN 9780120207596.