NO771871L - Fremgangsm}te til fremstilling av kvadratsyre - Google Patents

Fremgangsm}te til fremstilling av kvadratsyre

Info

Publication number
NO771871L
NO771871L NO771871A NO771871A NO771871L NO 771871 L NO771871 L NO 771871L NO 771871 A NO771871 A NO 771871A NO 771871 A NO771871 A NO 771871A NO 771871 L NO771871 L NO 771871L
Authority
NO
Norway
Prior art keywords
procedure
preparation
square acid
square
acid
Prior art date
Application number
NO771871A
Other languages
English (en)
Other versions
NO146278B (no
NO146278C (no
Inventor
Manfred Schroeder
Wolfgang Schaefer
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of NO771871L publication Critical patent/NO771871L/no
Publication of NO146278B publication Critical patent/NO146278B/no
Publication of NO146278C publication Critical patent/NO146278C/no

Links

Classifications

    • 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
    • C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
    • C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
NO771871A 1976-05-28 1977-05-27 Fremgangsmaate til fremstilling av kvadratsyre NO146278C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2623836A DE2623836C3 (de) 1976-05-28 1976-05-28 Verfahren zur Herstellung von Quadratsäure

Publications (3)

Publication Number Publication Date
NO771871L true NO771871L (no) 1977-11-29
NO146278B NO146278B (no) 1982-05-24
NO146278C NO146278C (no) 1982-09-01

Family

ID=5979159

Family Applications (1)

Application Number Title Priority Date Filing Date
NO771871A NO146278C (no) 1976-05-28 1977-05-27 Fremgangsmaate til fremstilling av kvadratsyre

Country Status (19)

Country Link
US (1) US4097530A (no)
JP (1) JPS52148046A (no)
AT (1) AT349445B (no)
AU (1) AU502227B2 (no)
BE (1) BE855165A (no)
BR (1) BR7703445A (no)
CA (1) CA1075717A (no)
CH (1) CH629469A5 (no)
CS (1) CS193095B2 (no)
DD (1) DD129774A1 (no)
DE (1) DE2623836C3 (no)
DK (1) DK236677A (no)
FR (1) FR2352778A1 (no)
GB (1) GB1574500A (no)
IT (1) IT1079672B (no)
NL (1) NL7705890A (no)
NO (1) NO146278C (no)
SE (1) SE421787B (no)
SU (1) SU645549A3 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810398C2 (de) * 1978-03-10 1983-08-25 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Herstellung von Tetrachlorcyclobutenon aus Hexachlorcyclobuten
DE2824558C3 (de) * 1978-06-05 1981-07-09 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Herstellung von Quadratsäure
DE3314431A1 (de) * 1983-04-21 1984-10-25 Chemische Werke Hüls AG, 4370 Marl Verfahren zur herstellung von quadratsaeure
US4508803A (en) * 1983-12-05 1985-04-02 Xerox Corporation Photoconductive devices containing novel benzyl fluorinated squaraine compositions
IE64516B1 (en) * 1990-02-12 1995-08-09 Lonza Ag A process for the preparation of quadratic acid
IE65907B1 (en) * 1990-02-26 1995-11-29 Lonza Ag New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use
AU1810101A (en) * 1999-11-30 2001-06-12 Electric Power Research Institute, Inc. Capillary electrophoresis probes and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253266B (de) * 1963-08-24 1967-11-02 Huels Chemische Werke Ag Verfahren zur Herstellung von Dioxocyclobutendiol
FR1404928A (fr) * 1963-08-24 1965-07-02 Huels Chemische Werke Ag Procédé de préparation du dicéto-cyclobutène-diol
BE786650A (fr) * 1971-07-24 1973-01-24 Ercoli Raffaele Procede de preparation de l'acide squarique

Also Published As

Publication number Publication date
AT349445B (de) 1979-04-10
BE855165A (fr) 1977-11-28
ATA377177A (de) 1978-09-15
AU2343377A (en) 1978-09-28
SU645549A3 (ru) 1979-01-30
FR2352778B1 (no) 1980-07-25
CS193095B2 (en) 1979-09-17
GB1574500A (en) 1980-09-10
NL7705890A (nl) 1977-11-30
SE7706262L (sv) 1977-11-29
AU502227B2 (en) 1979-07-19
FR2352778A1 (fr) 1977-12-23
IT1079672B (it) 1985-05-13
US4097530A (en) 1978-06-27
DE2623836A1 (de) 1977-12-01
DK236677A (da) 1977-11-29
NO146278B (no) 1982-05-24
DE2623836B2 (de) 1978-04-27
CH629469A5 (de) 1982-04-30
NO146278C (no) 1982-09-01
CA1075717A (en) 1980-04-15
DD129774A1 (de) 1978-02-08
JPS52148046A (en) 1977-12-08
BR7703445A (pt) 1978-02-28
DE2623836C3 (de) 1978-12-21
SE421787B (sv) 1982-02-01

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