DE228756C - - Google Patents

Info

Publication number
DE228756C
DE228756C DENDAT228756D DE228756DA DE228756C DE 228756 C DE228756 C DE 228756C DE NDAT228756 D DENDAT228756 D DE NDAT228756D DE 228756D A DE228756D A DE 228756DA DE 228756 C DE228756 C DE 228756C
Authority
DE
Germany
Prior art keywords
derivatives
nitrothioxanthones
nitrodiphenylsulfidcarbonsäuren
preparation
sulfuric acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT228756D
Other languages
German (de)
Publication of DE228756C publication Critical patent/DE228756C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D335/00Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
    • C07D335/04Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D335/10Dibenzothiopyrans; Hydrogenated dibenzothiopyrans
    • C07D335/12Thioxanthenes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/34Anthraquinone acridones or thioxanthrones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von Nitrothioxanthonen und ihren Derivaten, darin bestehend, daß man Nitrodiphenylsulfidcarbonsäuren oder ihre Derivate mit anhydridhaltiger Schwefelsäure behandelt.Process for the preparation of nitrothioxanthones and their derivatives therein consisting that one Nitrodiphenylsulfidcarbonsäuren or their derivatives with anhydride Treated with sulfuric acid.
DENDAT228756D Active DE228756C (en)

Publications (1)

Publication Number Publication Date
DE228756C true DE228756C (en)

Family

ID=489127

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT228756D Active DE228756C (en)

Country Status (1)

Country Link
DE (1) DE228756C (en)

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