BE810256A - Nouveaux derives de la pyrazoline utilisables comme azurants optiques et leur preparation - Google Patents

Nouveaux derives de la pyrazoline utilisables comme azurants optiques et leur preparation

Info

Publication number
BE810256A
BE810256A BE140256A BE140256A BE810256A BE 810256 A BE810256 A BE 810256A BE 140256 A BE140256 A BE 140256A BE 140256 A BE140256 A BE 140256A BE 810256 A BE810256 A BE 810256A
Authority
BE
Belgium
Prior art keywords
alkyl
derivs
esp
pyrazolinebenzenesulphonamide
brightene
Prior art date
Application number
BE140256A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH436673A external-priority patent/CH557836A/fr
Application filed filed Critical
Publication of BE810256A publication Critical patent/BE810256A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
BE140256A 1973-03-26 1974-01-28 Nouveaux derives de la pyrazoline utilisables comme azurants optiques et leur preparation BE810256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH436673A CH557836A (fr) 1972-03-27 1973-03-26 Procede de preparation de phenothiazinylagetonitriles.

Publications (1)

Publication Number Publication Date
BE810256A true BE810256A (fr) 1974-07-29

Family

ID=4274756

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140256A BE810256A (fr) 1973-03-26 1974-01-28 Nouveaux derives de la pyrazoline utilisables comme azurants optiques et leur preparation

Country Status (1)

Country Link
BE (1) BE810256A (fr)

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