Thioxanthene

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Structural formula
Structural formula of thioxanthene
General
Surname Thioxanthene
other names
  • 9 H -thioxanthene
  • 10 H -dibenzo [ b, e ] thiine
Molecular formula C 13 H 10 S
Brief description

Crystal needles

External identifiers / databases
CAS number 261-31-4
EC number 205-972-1
ECHA InfoCard 100.005.430
PubChem 67495
ChemSpider 60819
Wikidata Q2628525
properties
Molar mass 198.28 g mol −1
Physical state

firmly

density

1.14 g cm −3

Melting point

128.5 ° C

boiling point

341 ° C

solubility

soluble in chloroform

safety instructions
GHS labeling of hazardous substances
07 - Warning 09 - Dangerous for the environment

Caution

H and P phrases H: 302-410
P: 301 + 312 + 330
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Thioxanthene is a chemical compound from the group of heterocycles and polycyclic aromatic hydrocarbons in which a carbon atom has been replaced by a sulfur atom in the middle of the three rings .

Extraction and presentation

Thioxanthene can be obtained by condensing thiophenol and o- aminobenzoic acid in polyphosphoric acid or by reacting thiophenol with toluene at 450 to 650 ° C.

use

Thioxanthene skeleton

Derivatives of thioxanthene that differ at R 1 and R 2 , like the very similar phenothiazines, are used in medicine as neuroleptics .

Important representatives are Chlorprothixen , Zuclopenthixol / Clopenthixol and Flupentixol . Chlorprothixen has an open side chain , Flupentixol and Zuclopenthixol have a piperazinylalkyl side chain .

Individual evidence

  1. a b c d William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 512 ( limited preview in Google Book Search).
  2. ^ Carl L. Yaws: Thermophysical Properties of Chemicals and Hydrocarbons . William Andrew, 2014, ISBN 978-0-323-29060-9 , pp. 322 ( limited preview in Google Book search).
  3. a b Data sheet Thioxanthene, European Pharmacopoeia (EP) Reference Standard from Sigma-Aldrich , accessed on November 3, 2016 ( PDF ).
  4. Jürgen Jacob: Sulfur Analogues of Polycyclic Aromatic Hydrocarbons (Thiaarenes) Environmental Occurrence, Chemical and Biological Properties . CUP Archive, 1990, ISBN 978-0-521-30120-6 , pp. 1 ( limited preview in Google Book search).
  5. B. Müller-Oerlinghausen, Hans-Jürgen Möller, Eckart Rüther: Thioxanthenes in neuroleptic treatment . Springer-Verlag, 2013, ISBN 978-3-642-75194-3 , p. 25 ( limited preview in Google Book search).