CA984398A - Preparation of citraconic anhydride and itaconic acid - Google Patents

Preparation of citraconic anhydride and itaconic acid

Info

Publication number
CA984398A
CA984398A CA183,412A CA183412A CA984398A CA 984398 A CA984398 A CA 984398A CA 183412 A CA183412 A CA 183412A CA 984398 A CA984398 A CA 984398A
Authority
CA
Canada
Prior art keywords
preparation
itaconic acid
citraconic anhydride
citraconic
anhydride
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
CA183,412A
Other languages
English (en)
Other versions
CA183412S (en
Inventor
Rudolph G. Berg
Bryce E. Tate
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 Pfizer Inc filed Critical Pfizer Inc
Application granted granted Critical
Publication of CA984398A publication Critical patent/CA984398A/en
Expired legal-status Critical Current

Links

Classifications

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
CA183,412A 1972-10-25 1973-10-15 Preparation of citraconic anhydride and itaconic acid Expired CA984398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00300458A US3835162A (en) 1972-10-25 1972-10-25 Synthesis of citraconic anhydride

Publications (1)

Publication Number Publication Date
CA984398A true CA984398A (en) 1976-02-24

Family

ID=23159181

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,412A Expired CA984398A (en) 1972-10-25 1973-10-15 Preparation of citraconic anhydride and itaconic acid

Country Status (7)

Country Link
US (1) US3835162A (nl)
JP (1) JPS4975523A (nl)
CA (1) CA984398A (nl)
DE (1) DE2352468C2 (nl)
FR (1) FR2204606B1 (nl)
GB (1) GB1389966A (nl)
IE (1) IE38385B1 (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960901A (en) * 1973-09-12 1976-06-01 Pfizer Inc. Preparation of citraconic acid
US6504055B1 (en) 2000-06-01 2003-01-07 Board Of Trustees Of Michigan State University Catalysts and processes for the conversion of succinates to citraconates or itaconates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014958A (en) * 1960-01-15 1961-12-26 Du Pont Preparation of unsaturated esters
US3578702A (en) * 1965-12-03 1971-05-11 Eastman Kodak Co Process for producing alpha,beta-unsaturated organic compounds

Also Published As

Publication number Publication date
JPS4975523A (nl) 1974-07-20
US3835162A (en) 1974-09-10
DE2352468A1 (de) 1974-05-30
DE2352468C2 (de) 1981-09-17
IE38385L (en) 1974-04-25
FR2204606B1 (nl) 1976-10-01
FR2204606A1 (nl) 1974-05-24
IE38385B1 (en) 1978-03-01
GB1389966A (en) 1975-04-09

Similar Documents

Publication Publication Date Title
IL42703A0 (en) Novel esters of substituted acetic acids,their preparation and pesticidal compositions containing them
CA1000730A (en) Manufacture of dicarboxylic acid
CA1002522A (en) Derivatives of triiodo-aminobenzenecarboxylic acids and the preparation thereof
CA984398A (en) Preparation of citraconic anhydride and itaconic acid
CA992973A (en) Production of maleic anhydride and/or maleic acid
CA993885A (en) Preparation of 2-alkoxy-5-alkylsulphonyl-benzoic acids
CA1014962A (en) Preparation of n-carboxylic anhydrides of amino acids
CA960227A (en) Substituted phenylthiosalicylic acids and processes for their preparation
CA1015745A (en) 3-substituted-methyl-3-cephem-4-carboxylic acid derivatives and preparation thereof
IL41957A (en) Anhydrides of 2-alkoxy-4-substituted-benzoic acids and the preparation of n-dialkylaminoalkyl-2-alkoxy-4-substituted-benzamides
CA954877A (en) Substituted phenoxysalicylic acids and derivatives thereof including processes for their preparation
CA897175A (en) Preparation and use of polychloro ketoalkenoic acids
AU488459B2 (en) Preparation of citraconic anhydride
AU447962B2 (en) Substituted alkenoic acids and their preparation
CA894266A (en) N-aminoacetyl-5-chloro-n-methylanthranilic acid and preparation
CA834210A (en) Preparation of diphenylmaleic anhydride and diphenylmaleic anhydride dimer
AU450853B2 (en) Substituted phenylacetic acids and their preparation
CA889859A (en) Substituted cyclic carboxylic acids and preparation thereof
CA820359A (en) Preparation of aryloxy-carboxylic acids
CA900982A (en) Glyceryl esters of 3-indolyl-alkanoic acids and of their aza- and dihydro-analogues
AU8197775A (en) Preparation of citraconic anhydride
AU1845270A (en) Substituted alkenoic acids and their preparation
CA824701A (en) Adducts of hydrocarbylthiophosphoric acids and preparation thereof
CA904327A (en) Manufacture of maleic anhydride
CA902087A (en) Continuous production of dicarboxylic acids and anhydrides