BE786157A - Procede de preparation de l'anhydride - Google Patents

Procede de preparation de l'anhydride

Info

Publication number
BE786157A
BE786157A BE786157DA BE786157A BE 786157 A BE786157 A BE 786157A BE 786157D A BE786157D A BE 786157DA BE 786157 A BE786157 A BE 786157A
Authority
BE
Belgium
Prior art keywords
preparation process
anhydride preparation
anhydride
preparation
Prior art date
Application number
Other languages
English (en)
Original Assignee
Ciba Geigy
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.)
Publication date
Publication of BE786157A publication Critical patent/BE786157A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic 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
    • C07D213/02—Heterocyclic 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
    • C07D213/04—Heterocyclic 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
    • C07D213/60—Heterocyclic 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
    • C07D213/72—Nitrogen atoms
    • C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02—Heterocyclic 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
    • C07D215/16—Heterocyclic 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
    • C07D215/38—Nitrogen 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)
BE786157D 1971-07-13 Procede de preparation de l'anhydride BE786157A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE786157A true BE786157A (fr) 1973-01-12

Family

ID=4361307

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786157D BE786157A (fr) 1971-07-13 Procede de preparation de l'anhydride

Country Status (9)

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

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
US4644069A (en) * 1984-08-15 1987-02-17 Ciba-Geigy Corporation Process for the preparation of dimethylmaleic anhydride
US4639531A (en) * 1984-08-15 1987-01-27 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 (fr) * 1958-11-07

Also Published As

Publication number Publication date
JPS5243820B1 (fr) 1977-11-02
CA993449A (en) 1976-07-20
DE2233862B2 (de) 1977-11-17
US3818050A (en) 1974-06-18
CH547251A (de) 1974-03-29
GB1379795A (en) 1975-01-08
DE2233862A1 (de) 1973-02-15
DD99781A5 (fr) 1973-08-20
DE2233862C3 (de) 1978-07-06
FR2145619A1 (fr) 1973-02-23
FR2145619B1 (fr) 1975-06-20

Similar Documents

Publication Publication Date Title
BE793163A (fr) Procede de sechage d'ethers
BE764883A (fr) Procede de preparation d'hydrogenosilanes
BE792879A (fr) Procede d'isolement de l'anhydride maleique
BE786518A (fr) Procede de preparation d'oxa-bicyclo-alcenes
CH546788A (fr) Procede de preparation d'agents anti-inflammatoires.
BE785344A (fr) Procede de preparation d'alcenyl-silanes
BE786156A (fr) Procede de preparation de l'anhydride
BE783762A (fr) Procede de preparation d'hypophosphites
BE786329A (fr) Procede de preparation de polyurethannes
CH550187A (fr) Procede de preparation de l'eburnamonine.
BE786986A (fr) Procede de preparation du 2-chloro-butadiene-1,3
BE802306A (fr) Procede de preparation d'agregats
BE805491A (fr) Procede de preparation de 4-hydroxy-cyclopentane-1,3-diones substituees en position 2
BE792804A (fr) Procede de preparation d'hydroxocobalticorrinoide
BE778075A (fr) Procede de preparation d'hydroxy- 6 chromannes
BE787990A (fr) Procede de preparation de peroxydiesters
BE790056A (fr) Procede de preparation de 1, 1'-dianthraquinonyles
BE789485R (fr) Procede perfectionne de preparation de l'anhydride
BE781275A (fr) Procede de preparation d'o-aminobenzonitriles
BE791326A (fr) Procede d'esterification
BE778852A (fr) Procede de preparation d'aminoaryl-urees et d'aminoaryl-thio-urees
BE764210A (fr) Procede de preparation d'alcoyl-silanes
BE786177R (fr) Procede de preparation
BE792486R (fr) Procede de preparation
BE767309A (fr) Procede de preparation des flavone-7-oxyacetates d'alcoyle inferieur

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIBA-GEIGY A.G.

Effective date: 19910731