CH621107A5 - - Google Patents

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Publication number
CH621107A5
CH621107A5 CH1525476A CH1525476A CH621107A5 CH 621107 A5 CH621107 A5 CH 621107A5 CH 1525476 A CH1525476 A CH 1525476A CH 1525476 A CH1525476 A CH 1525476A CH 621107 A5 CH621107 A5 CH 621107A5
Authority
CH
Switzerland
Prior art keywords
formula
group
compound
halogen atom
acid
Prior art date
Application number
CH1525476A
Other languages
German (de)
English (en)
Inventor
Daniel Dr Bellus
Original Assignee
Ciba Geigy 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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to CH1525476A priority Critical patent/CH621107A5/de
Priority to US05/854,287 priority patent/US4159387A/en
Priority to NL7713022A priority patent/NL7713022A/xx
Priority to DE19772753454 priority patent/DE2753454A1/de
Priority to GB50190/77A priority patent/GB1551589A/en
Publication of CH621107A5 publication Critical patent/CH621107A5/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
    • 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
    • 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
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • 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
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/66Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
    • C07C69/67Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
    • C07C69/708Ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1525476A 1976-12-03 1976-12-03 CH621107A5 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1525476A CH621107A5 (fr) 1976-12-03 1976-12-03
US05/854,287 US4159387A (en) 1976-12-03 1977-11-23 Squaric acid esters
NL7713022A NL7713022A (nl) 1976-12-03 1977-11-25 Kwadraatzuuresters.
DE19772753454 DE2753454A1 (de) 1976-12-03 1977-11-30 Quadratsaeureester
GB50190/77A GB1551589A (en) 1976-12-03 1977-12-01 Squaric acid esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1525476A CH621107A5 (fr) 1976-12-03 1976-12-03

Publications (1)

Publication Number Publication Date
CH621107A5 true CH621107A5 (fr) 1981-01-15

Family

ID=4407626

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1525476A CH621107A5 (fr) 1976-12-03 1976-12-03

Country Status (5)

Country Link
US (1) US4159387A (fr)
CH (1) CH621107A5 (fr)
DE (1) DE2753454A1 (fr)
GB (1) GB1551589A (fr)
NL (1) NL7713022A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524219A (en) * 1984-02-03 1985-06-18 Xerox Corporation Process for squaraine compositions from half esters of squaric acid
US4523980A (en) * 1984-08-31 1985-06-18 The Halcon Sd Group, Inc. Process for the recovery of high purity squaric acid
US4585895A (en) * 1985-02-20 1986-04-29 Xerox Corporation Processes for the preparation of mixed squaraine compositions
US4746756A (en) * 1985-06-24 1988-05-24 Xerox Corporation Photoconductive imaging members with novel fluorinated squaraine compounds
IE64516B1 (en) * 1990-02-12 1995-08-09 Lonza Ag A process for the preparation of quadratic acid
US5401607A (en) * 1991-04-17 1995-03-28 Polaroid Corporation Processes and compositions for photogeneration of acid
US5334489A (en) * 1992-10-23 1994-08-02 Polaroid Corporation Process for generation of squaric acid and for imaging, and imaging medium for use therein
US5286612A (en) * 1992-10-23 1994-02-15 Polaroid Corporation Process for generation of free superacid and for imaging, and imaging medium for use therein
US5278031A (en) * 1992-10-23 1994-01-11 Polaroid Corporation Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein
US5441850A (en) * 1994-04-25 1995-08-15 Polaroid Corporation Imaging medium and process for producing an image
US5741630A (en) * 1994-04-25 1998-04-21 Polaroid Corporation Process for fixing an image, and medium for use therein
WO1998024000A1 (fr) * 1996-11-27 1998-06-04 Polaroid Corporation Procede et composition de production d'acide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059030A (en) * 1959-06-15 1962-10-16 Minnesota Mining & Mfg Diketocyclobutenediol and alkali metal salts thereof
US3288854A (en) * 1963-07-05 1966-11-29 Eastman Kodak Co Addition of dialkylketenes to alkoxyacetylenes
US3819677A (en) * 1966-12-07 1974-06-25 Du Pont 2-alkoxy-1-substituted cyclobutenes and process therefor
NL7603598A (nl) * 1975-04-18 1976-10-20 Ciba Geigy Werkwijze voor het bereiden van preparaten voor het beinvloeden van de plantegroei alsmede de toepassing daarvan.

Also Published As

Publication number Publication date
DE2753454A1 (de) 1978-06-08
GB1551589A (en) 1979-08-30
US4159387A (en) 1979-06-26
NL7713022A (nl) 1978-06-06

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PL Patent ceased