DE72336C - Process for the preparation of a-naphtylamine sulfonic acids from halogen-substituted naphthalene sulfonic acids - Google Patents

Process for the preparation of a-naphtylamine sulfonic acids from halogen-substituted naphthalene sulfonic acids

Info

Publication number
DE72336C
DE72336C DENDAT72336D DE72336DA DE72336C DE 72336 C DE72336 C DE 72336C DE NDAT72336 D DENDAT72336 D DE NDAT72336D DE 72336D A DE72336D A DE 72336DA DE 72336 C DE72336 C DE 72336C
Authority
DE
Germany
Prior art keywords
sulfonic acids
preparation
naphtylamine
halogen
substituted naphthalene
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.)
Expired - Lifetime
Application number
DENDAT72336D
Other languages
German (de)
Original Assignee
K. OEHLER in Offenbach a. M
Publication of DE72336C publication Critical patent/DE72336C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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  • 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 (2)

Patent-Ansprüche:Patent Claims: ι . Verfahren zur Darstellung von ct-Naphtylaminsulfosäuren aus den ct-Chlor- oder a-Bromnaphtalinsulfosäuren durch Erhitzen der letzteren mit Ammoniak auf 200 bis 2 io°.ι. Process for the preparation of ct-naphthylamine sulfonic acids from the ct-chloro- or a- bromonaphthalene sulfonic acids by heating the latter with ammonia to 200 to 20 °. 2. Als besondere Ausfuhrungsformen des unter 1. gekennzeichneten Verfahrens:2. As special forms of execution of the procedure identified under 1.: a) die Darstellung von Naphtionsäure aus Ct1 ct2-Chlor- oder Bromnaphtalinsulfosäure, unda) the preparation of naphthoic acid from Ct 1 ct 2 chloro- or bromonaphthalene sulfonic acid, and b) die Darstellung von Laurent'scher Naphtalidinsulfosäure aus Ct1 ct3-Chlor- oder -Bromnaphtalinsulfosäure durch Erhitzen derselben mit Ammoniak nach der unter 1. beschriebenen Weise.b) the preparation of Laurent's naphtalidine sulfonic acid from Ct 1 ct 3 -chloro- or -bromonaphthalene sulfonic acid by heating it with ammonia in the manner described under 1..
DENDAT72336D Process for the preparation of a-naphtylamine sulfonic acids from halogen-substituted naphthalene sulfonic acids Expired - Lifetime DE72336C (en)

Publications (1)

Publication Number Publication Date
DE72336C true DE72336C (en)

Family

ID=345564

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT72336D Expired - Lifetime DE72336C (en) Process for the preparation of a-naphtylamine sulfonic acids from halogen-substituted naphthalene sulfonic acids

Country Status (1)

Country Link
DE (1) DE72336C (en)

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