9368. Thioxanthene

Nomenclature

CAS number: 261-31-4
Thiaxanthene; dibenzothiopyran; dibenzopenthiophene; diphenylenemethane sulfide.
C13H10S; mol wt 198.28.
C 78.75%, H 5.08%, S 16.17%.

Description and references

Conveniently obtained from thioxanthone in 74% yield by reduction wth lithium aluminum hydride: Mustafa, Hilmy, J. Chem. Soc. 1952, 1345.

Chemical structure

Properties

Needles or rods from alcohol + chloroform. Sublimes easily. mp 128°. bp730 340°. Dipole moment: 1.44 D. Freely sol in chloroform. Moderately sol in alcohol, ether.