Process for the manufacture of substituted thianthrene based products

Thianthrene compounds are prepared by adding sulfur monochloride to an excess of a benzene compound in the presence of aluminum chloride, and reacting to form a thianthrene compound as an insoluble aluminum chloride complex; slurrying the complex in an inert organic liquid; treating the slurry with...

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Bibliographische Detailangaben
Hauptverfasser: BUCKHOLTZ, HARRY E, BOSE, ARUN C
Format: Patent
Sprache:eng
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Zusammenfassung:Thianthrene compounds are prepared by adding sulfur monochloride to an excess of a benzene compound in the presence of aluminum chloride, and reacting to form a thianthrene compound as an insoluble aluminum chloride complex; slurrying the complex in an inert organic liquid; treating the slurry with a Lewis base, such as ammonia to free the thianthrene compound from the complex.