GB1467802A - Pyrazoline derivatives and their use as optical brightening agents - Google Patents

Pyrazoline derivatives and their use as optical brightening agents

Info

Publication number
GB1467802A
GB1467802A GB3411173A GB3411173A GB1467802A GB 1467802 A GB1467802 A GB 1467802A GB 3411173 A GB3411173 A GB 3411173A GB 3411173 A GB3411173 A GB 3411173A GB 1467802 A GB1467802 A GB 1467802A
Authority
GB
United Kingdom
Prior art keywords
signifies
carbon atoms
formula
radical
alkyl
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
Application number
GB3411173A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis Pharmaceuticals UK Ltd
Original Assignee
Sandoz Products 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 Sandoz Products Ltd filed Critical Sandoz Products Ltd
Priority to GB3411173A priority Critical patent/GB1467802A/en
Priority to DE19742434162 priority patent/DE2434162A1/de
Priority to JP8083574A priority patent/JPS5043128A/ja
Priority to IT5216274A priority patent/IT1016457B/it
Priority to FR7424960A priority patent/FR2237886B1/fr
Priority to US05/683,409 priority patent/US4085101A/en
Publication of GB1467802A publication Critical patent/GB1467802A/en
Expired legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/38—Acyl halides
    • C07C53/46—Acyl halides containing halogen outside the carbonyl halide group
    • C07C53/50—Acyl halides containing halogen outside the carbonyl halide group of acids containing three or more carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB3411173A 1973-07-18 1973-07-18 Pyrazoline derivatives and their use as optical brightening agents Expired GB1467802A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3411173A GB1467802A (en) 1973-07-18 1973-07-18 Pyrazoline derivatives and their use as optical brightening agents
DE19742434162 DE2434162A1 (de) 1973-07-18 1974-07-16 Pyrazolinverbindungen
JP8083574A JPS5043128A (de) 1973-07-18 1974-07-16
IT5216274A IT1016457B (it) 1973-07-18 1974-07-18 Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici
FR7424960A FR2237886B1 (de) 1973-07-18 1974-07-18
US05/683,409 US4085101A (en) 1973-07-18 1976-05-05 1,3-Diaryl-2-pyrazoline derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3411173A GB1467802A (en) 1973-07-18 1973-07-18 Pyrazoline derivatives and their use as optical brightening agents

Publications (1)

Publication Number Publication Date
GB1467802A true GB1467802A (en) 1977-03-23

Family

ID=10361505

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3411173A Expired GB1467802A (en) 1973-07-18 1973-07-18 Pyrazoline derivatives and their use as optical brightening agents

Country Status (5)

Country Link
JP (1) JPS5043128A (de)
DE (1) DE2434162A1 (de)
FR (1) FR2237886B1 (de)
GB (1) GB1467802A (de)
IT (1) IT1016457B (de)

Families Citing this family (2)

* 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
DE3134942A1 (de) * 1981-09-03 1983-03-17 Bayer Ag, 5090 Leverkusen Aufhellersalze und deren verwendung fuer das nassspinnen von acrylfasern

Also Published As

Publication number Publication date
FR2237886B1 (de) 1978-04-28
FR2237886A1 (de) 1975-02-14
DE2434162A1 (de) 1975-02-06
JPS5043128A (de) 1975-04-18
IT1016457B (it) 1977-05-30

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed