IT1016457B - Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici - Google Patents

Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici

Info

Publication number
IT1016457B
IT1016457B IT5216274A IT5216274A IT1016457B IT 1016457 B IT1016457 B IT 1016457B IT 5216274 A IT5216274 A IT 5216274A IT 5216274 A IT5216274 A IT 5216274A IT 1016457 B IT1016457 B IT 1016457B
Authority
IT
Italy
Prior art keywords
obtaining
pyrazoline compounds
compounds procedure
lighteners
optical
Prior art date
Application number
IT5216274A
Other languages
English (en)
Original Assignee
Sandoz Ag
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 Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of IT1016457B publication Critical patent/IT1016457B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46Friedel-Crafts reactions
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/38Acyl halides
    • C07C53/46Acyl halides containing halogen outside the carbonyl halide group
    • C07C53/50Acyl 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)
IT5216274A 1973-07-18 1974-07-18 Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici IT1016457B (it)

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
IT1016457B true IT1016457B (it) 1977-05-30

Family

ID=10361505

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5216274A IT1016457B (it) 1973-07-18 1974-07-18 Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici

Country Status (5)

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

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
DE2434162A1 (de) 1975-02-06
JPS5043128A (it) 1975-04-18
FR2237886A1 (it) 1975-02-14
GB1467802A (en) 1977-03-23
FR2237886B1 (it) 1978-04-28

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