ES253205A1 - Procedimiento para la preparaciën de anhidridos metilalkimaleicos - Google Patents

Procedimiento para la preparaciën de anhidridos metilalkimaleicos

Info

Publication number
ES253205A1
ES253205A1 ES0253205A ES253205A ES253205A1 ES 253205 A1 ES253205 A1 ES 253205A1 ES 0253205 A ES0253205 A ES 0253205A ES 253205 A ES253205 A ES 253205A ES 253205 A1 ES253205 A1 ES 253205A1
Authority
ES
Spain
Prior art keywords
mono
succinate
pyridine
acid
succinates
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.)
Expired
Application number
ES0253205A
Other languages
English (en)
Spanish (es)
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of ES253205A1 publication Critical patent/ES253205A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C51/567Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES0253205A 1958-11-07 1959-11-06 Procedimiento para la preparaciën de anhidridos metilalkimaleicos Expired ES253205A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3588658A GB870681A (en) 1958-11-07 1958-11-07 Substituted maleic anhydrides

Publications (1)

Publication Number Publication Date
ES253205A1 true ES253205A1 (es) 1960-03-16

Family

ID=10382631

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0253205A Expired ES253205A1 (es) 1958-11-07 1959-11-06 Procedimiento para la preparaciën de anhidridos metilalkimaleicos

Country Status (4)

Country Link
CH (1) CH426769A (da)
DK (1) DK107740C (da)
ES (1) ES253205A1 (da)
GB (1) GB870681A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644069A (en) * 1984-08-15 1987-02-17 Ciba-Geigy Corporation Process for the preparation of dimethylmaleic anhydride
JPH0657703B2 (ja) * 1984-08-15 1994-08-03 ローナー アクチエンゲゼルシャフト 無水ジメチルマレイン酸の製造方法
AT388554B (de) * 1987-12-11 1989-07-25 Vianova Kunstharz Ag Verfahren zur herstellung von alkenylbernsteinsaeureanhydriden mit verbesserter eigenfarbe

Also Published As

Publication number Publication date
CH426769A (de) 1966-12-31
GB870681A (en) 1961-06-14
DK107740C (da) 1967-07-03

Similar Documents

Publication Publication Date Title
GB1525821A (en) Perfume compositions
GB825904A (en) Improvements in manufacture of sulphenamides
ES253205A1 (es) Procedimiento para la preparaciën de anhidridos metilalkimaleicos
GB1348093A (en) Dialkyl-4-hydroxyphenylcarboxylates of tris-hydroxyalkyl-iso cyanurate
GB1304925A (da)
GB962857A (en) Process for the production of imides
GB901567A (en) Improvements in or relating to the production of acyloxyboron compounds
GB938963A (en) Process for the preparation of unsaturated carboxylic acids and esters thereof from substituted allyl chloroderivatives
ES348340A1 (es) Procedimiento para la obtencion de n-hidroxiimidotiocarbo- natos.
US3340292A (en) 1, 2, 3, 3a, 4, 6a-hexahydro-1, 2, 4-methenopentalene-5, 6-dicarboxylic acid and lower alkyl esters thereof
ES271095A1 (es) Procedimiento para la obtenciën de acidos trihidroxamicos de cadena larga
GB764664A (en) Process for the production of pentaerythritol trichlorohydrin
GB814878A (en) Steroid compounds and the preparation thereof
GB887814A (en) Steroids
ES251876A1 (es) Un procedimiento de preraciën de lactonas esteroides
DK103781A (da) Alfa-ketocarboxylsyre-n-acylamider samt fremgangsmaade til deres fremstilling
GB1322654A (en) Process for the preparation of 3,5-lower dialkoxyphthalic anhydrides
GB848288A (en) New steroid compounds
GB796386A (en) Improvements relating to the synthesis of steroids
GB834391A (en) Novel acid hydrazides and salts thereof and a process for the manufacture of same
GB668533A (en) Process of introducing a double bond adjacent to a keto group in an organic compound
GB891825A (en) A-nor-steroids
GB1217000A (en) Improvements in or relating to the production of propylene oxide and propylene glycol and its esters
GB822579A (en) Improvements in or relating to a process of producing amides of pyridine carboxylic acids
GB1302729A (da)