DE176621C - - Google Patents

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Publication number
DE176621C
DE176621C DENDAT176621D DE176621DA DE176621C DE 176621 C DE176621 C DE 176621C DE NDAT176621 D DENDAT176621 D DE NDAT176621D DE 176621D A DE176621D A DE 176621DA DE 176621 C DE176621 C DE 176621C
Authority
DE
Germany
Prior art keywords
trisulfonic acid
nitronaphthalene
naphthylamine
ammonia
preparation
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
DENDAT176621D
Other languages
German (de)
Publication of DE176621C publication Critical patent/DE176621C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/47—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von 2-Naphtylamin-3 · 6 · 8-trisulfosäure, darin bestehend, daß man i-Nitronaphtalin-3 · 6 · 8-trisulfosäure mit Ammoniak auf Temperaturen über ioo° erhitzt.Process for the preparation of 2-naphthylamine-3x6x8-trisulfonic acid, consisting therein that i-nitronaphthalene-3 · 6 · 8-trisulfonic acid with ammonia to temperatures heated above 100 °.
DENDAT176621D Active DE176621C (en)

Publications (1)

Publication Number Publication Date
DE176621C true DE176621C (en)

Family

ID=441179

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT176621D Active DE176621C (en)

Country Status (1)

Country Link
DE (1) DE176621C (en)

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