CH547251A - Verfahren zur herstellung von dimethylmaleinsaeureanhydrid. - Google Patents

Verfahren zur herstellung von dimethylmaleinsaeureanhydrid.

Info

Publication number
CH547251A
CH547251A CH1026571A CH547251DA CH547251A CH 547251 A CH547251 A CH 547251A CH 1026571 A CH1026571 A CH 1026571A CH 547251D A CH547251D A CH 547251DA CH 547251 A CH547251 A CH 547251A
Authority
CH
Switzerland
Prior art keywords
producing
acid anhydride
dimethylmaleic acid
dimethylmaleic
anhydride
Prior art date
Application number
CH1026571A
Other languages
English (en)
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
Publication of CH547251A publication Critical patent/CH547251A/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72Nitrogen atoms
    • C07D213/74Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/56Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D215/00Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D215/38Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Furan Compounds (AREA)
  • Pyridine Compounds (AREA)
CH1026571A 1971-07-13 1971-07-13 Verfahren zur herstellung von dimethylmaleinsaeureanhydrid. CH547251A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1026571 1971-07-13

Publications (1)

Publication Number Publication Date
CH547251A true CH547251A (de) 1974-03-29

Family

ID=4361307

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1026571A CH547251A (de) 1971-07-13 1971-07-13 Verfahren zur herstellung von dimethylmaleinsaeureanhydrid.

Country Status (9)

Country Link
US (1) US3818050A (de)
JP (1) JPS5243820B1 (de)
BE (1) BE786157A (de)
CA (1) CA993449A (de)
CH (1) CH547251A (de)
DD (1) DD99781A5 (de)
DE (1) DE2233862C3 (de)
FR (1) FR2145619B1 (de)
GB (1) GB1379795A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142561A (ja) * 1983-12-28 1985-07-27 Matsushita Electric Ind Co Ltd 撮像装置の製造方法
US4639531A (en) * 1984-08-15 1987-01-27 Ciba-Geigy Corporation Process for the preparation of dimethylmaleic anhydride
US4644069A (en) * 1984-08-15 1987-02-17 Ciba-Geigy Corporation Process for the preparation of dimethylmaleic anhydride
US5098982A (en) * 1989-10-10 1992-03-24 The B. F. Goodrich Company Radiation curable thermoplastic polyurethanes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110578C (de) * 1958-11-07

Also Published As

Publication number Publication date
US3818050A (en) 1974-06-18
BE786157A (fr) 1973-01-12
DE2233862C3 (de) 1978-07-06
DE2233862A1 (de) 1973-02-15
GB1379795A (en) 1975-01-08
FR2145619B1 (de) 1975-06-20
JPS5243820B1 (de) 1977-11-02
CA993449A (en) 1976-07-20
DD99781A5 (de) 1973-08-20
DE2233862B2 (de) 1977-11-17
FR2145619A1 (de) 1973-02-23

Similar Documents

Publication Publication Date Title
CH540293A (de) Verfahren zur Herstellung von 3-Thiadiazolylthiomethyl- bzw. 3-Tetrazolylthiomethyl-7-amino-acyl- oder amino- 3-cephem-4-carbonsäuren
CH553751A (de) Verfahren zur herstellung von aspartylaminosaeure-estern.
CH546263A (de) Verfahren zur herstellung von polyoxycarbonsaeuren.
CH555327A (de) Verfahren zur herstellung von polythiobisphenolen.
CH548969A (de) Verfahren zur herstellung von phenoxycarbonsaeuren.
CH550758A (de) Verfahren zur herstellung von naphthalinmono- oder -dicarbonsaeure.
AT329530B (de) Verfahren zur herstellung von maleinsaureanhydrid
AT308141B (de) Verfahren zur Herstellung von 1-Aminoalkan-1,1-diphosphonsäuren
CH552633A (de) Verfahren zur herstellung von 2-halogenaethylphosphonsaeuren.
CH554304A (de) Verfahren zur herstellung von dimethylmaleinsaeureanhydrid.
CH558792A (de) Verfahren zur herstellung von tetrahydrodibenzopyranen.
ATA716372A (de) Verfahren zur herstellung von glyoxylsaure
AT331774B (de) Verfahren zur herstellung von glyoxylsaure
CH552551A (de) Verfahren zur herstellung von laevulinsaeure.
CH547251A (de) Verfahren zur herstellung von dimethylmaleinsaeureanhydrid.
AT321879B (de) Verfahren zur herstellung von maleinsäureanhydrid und bzw. oder maleinsäure
CH554825A (de) Verfahren zur herstellung von hydroxyphenylessigsaeuren.
CH550131A (de) Verfahren zur herstellung substituierter alkencarbonsaeuren.
AT327176B (de) Verfahren zur herstellung von tetrabromphthalsaureanhydrid
CH550205A (de) Verfahren zur herstellung von n-(aminomethyliden)-thiolphosphorsaeureesterimiden.
AT332123B (de) Verfahren zur herstellung von niedermolekularen, veratherten methylolharnstoffen bzw. -thioharnstoffen
CH557803A (de) Verfahren zur herstellung von o-sulfamylamidobenzoesaeuren.
CH494776A (de) Verfahren zur Herstellung von 0,0-Dialkyl-S-(1,2,2-trichloräthyl)-thionothiolphosphor- bzw. 0-Alkyl-S-(1,2,2-trichloräthyl)-alkanthionothiolphosphonsäureester
CH551358A (de) Verfahren zur herstellung von 5,9-dioxodecansaeuren.
CH557387A (de) Verfahren zur herstellung von gegebenefalls substituierten 1-aminoalkan-1,1-diphosphonsaeuren.

Legal Events

Date Code Title Description
PL Patent ceased