JPS52148046A - Process for manufacture of square acid - Google Patents

Process for manufacture of square acid

Info

Publication number
JPS52148046A
JPS52148046A JP6128877A JP6128877A JPS52148046A JP S52148046 A JPS52148046 A JP S52148046A JP 6128877 A JP6128877 A JP 6128877A JP 6128877 A JP6128877 A JP 6128877A JP S52148046 A JPS52148046 A JP S52148046A
Authority
JP
Japan
Prior art keywords
manufacture
square acid
square
acid
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.)
Pending
Application number
JP6128877A
Other languages
English (en)
Inventor
Shiyureederu Manfureeto
Shieefueru Uorufugangu
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of JPS52148046A publication Critical patent/JPS52148046A/ja
Pending legal-status Critical Current

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)
JP6128877A 1976-05-28 1977-05-27 Process for manufacture of square acid Pending JPS52148046A (en)

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 (1)

Publication Number Publication Date
JPS52148046A true JPS52148046A (en) 1977-12-08

Family

ID=5979159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6128877A Pending JPS52148046A (en) 1976-05-28 1977-05-27 Process for manufacture of square acid

Country Status (19)

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

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
ATE427482T1 (de) * 1999-11-30 2009-04-15 Electric Power Res Inst Methode zur photometrischen detektion von ionen mittels kapillar-elektrophoresesonden, verfahren zur herstellung und verwendung der sonden

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067084A (en) * 1963-08-24 1967-05-03 Huels Chemische Werke Ag Process for the production of dioxocyclobutene diol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067084A (en) * 1963-08-24 1967-05-03 Huels Chemische Werke Ag Process for the production of dioxocyclobutene diol

Also Published As

Publication number Publication date
CS193095B2 (en) 1979-09-17
AU2343377A (en) 1978-09-28
CA1075717A (en) 1980-04-15
DE2623836A1 (de) 1977-12-01
GB1574500A (en) 1980-09-10
SE421787B (sv) 1982-02-01
IT1079672B (it) 1985-05-13
AU502227B2 (en) 1979-07-19
US4097530A (en) 1978-06-27
FR2352778A1 (fr) 1977-12-23
BE855165A (fr) 1977-11-28
NO146278B (no) 1982-05-24
NL7705890A (nl) 1977-11-30
AT349445B (de) 1979-04-10
NO146278C (no) 1982-09-01
DK236677A (da) 1977-11-29
SU645549A3 (ru) 1979-01-30
BR7703445A (pt) 1978-02-28
SE7706262L (sv) 1977-11-29
DE2623836C3 (de) 1978-12-21
CH629469A5 (de) 1982-04-30
DD129774A1 (de) 1978-02-08
ATA377177A (de) 1978-09-15
DE2623836B2 (de) 1978-04-27
NO771871L (no) 1977-11-29
FR2352778B1 (ja) 1980-07-25

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