CH405326A - Verfahren zur Herstellung von 1,3-Diaryl-pyrazolinen - Google Patents

Verfahren zur Herstellung von 1,3-Diaryl-pyrazolinen

Info

Publication number
CH405326A
CH405326A CH1211961A CH1211961A CH405326A CH 405326 A CH405326 A CH 405326A CH 1211961 A CH1211961 A CH 1211961A CH 1211961 A CH1211961 A CH 1211961A CH 405326 A CH405326 A CH 405326A
Authority
CH
Switzerland
Prior art keywords
pyrazolines
diaryl
preparation
Prior art date
Application number
CH1211961A
Other languages
English (en)
Inventor
Kumar Sarkar Asim
William Adams Dennis Arthur
Original Assignee
Hickson & Welch Ltd
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
Application filed by Hickson & Welch Ltd filed Critical Hickson & Welch Ltd
Publication of CH405326A publication Critical patent/CH405326A/de

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)
  • Plural Heterocyclic Compounds (AREA)
CH1211961A 1960-10-28 1961-10-20 Verfahren zur Herstellung von 1,3-Diaryl-pyrazolinen CH405326A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3281460A GB993055A (en) 1960-10-28 1960-10-28 Improvements in or relating to optical whitening agents

Publications (1)

Publication Number Publication Date
CH405326A true CH405326A (de) 1966-01-15

Family

ID=10344402

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1211961A CH405326A (de) 1960-10-28 1961-10-20 Verfahren zur Herstellung von 1,3-Diaryl-pyrazolinen

Country Status (4)

Country Link
BE (1) BE609589A (de)
CH (1) CH405326A (de)
DE (1) DE1237124B (de)
GB (1) GB993055A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045169A (en) * 1971-09-09 1977-08-30 Hoechst Aktiengesellschaft 3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ 2-pyrazoline derivatives and their use as optical brighteners

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1419329B1 (de) * 1962-04-21 1970-01-15 Hoechst Ag 1,3-Diaryl-delta-pyrazolinverbindungen und ihre Verwendung als Aufhellungsmittel
DE1469222B1 (de) * 1964-09-25 1972-03-09 Hoechst Ag Pyrazolinderivate sowie ihre Herstellung und Verwendung
DE2560051C3 (de) * 1975-07-31 1981-07-23 Basf Ag, 6700 Ludwigshafen Pyrazolinverbindungen
DE10208773A1 (de) 2002-02-28 2003-09-04 Clariant Gmbh Wässrige Flüssigformulierungen von Pyrazolin-Aufhellern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919411C (de) * 1950-06-03 1954-10-21 Ilford Ltd Verfahren zur Herstellung von arylsubstituierten Pyrazolinverbindungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045169A (en) * 1971-09-09 1977-08-30 Hoechst Aktiengesellschaft 3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ 2-pyrazoline derivatives and their use as optical brighteners

Also Published As

Publication number Publication date
DE1237124B (de) 1967-03-23
BE609589A (fr) 1962-04-15
GB993055A (en) 1965-05-26

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