DE241899C - - Google Patents

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Publication number
DE241899C
DE241899C DENDAT241899D DE241899DA DE241899C DE 241899 C DE241899 C DE 241899C DE NDAT241899 D DENDAT241899 D DE NDAT241899D DE 241899D A DE241899D A DE 241899DA DE 241899 C DE241899 C DE 241899C
Authority
DE
Germany
Prior art keywords
acid
carboxylic acid
blue
indophenol
carbazole
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
DENDAT241899D
Other languages
German (de)
English (en)
Publication of DE241899C publication Critical patent/DE241899C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56Ring systems containing three or more rings
    • C07D209/80[b, c]- or [b, d]-condensed
    • C07D209/82Carbazoles; Hydrogenated carbazoles
    • C07D209/88Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
DENDAT241899D Active DE241899C (it)

Publications (1)

Publication Number Publication Date
DE241899C true DE241899C (it)

Family

ID=501160

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT241899D Active DE241899C (it)

Country Status (1)

Country Link
DE (1) DE241899C (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023210A (en) * 1956-04-30 1962-02-27 Henkel & Cie Gmbh Production of carboxy-substituted heterocyclic compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023210A (en) * 1956-04-30 1962-02-27 Henkel & Cie Gmbh Production of carboxy-substituted heterocyclic compounds

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