GB962227A - Production of aceto-acetarylamides - Google Patents

Production of aceto-acetarylamides

Info

Publication number
GB962227A
GB962227A GB29061/60A GB2906160A GB962227A GB 962227 A GB962227 A GB 962227A GB 29061/60 A GB29061/60 A GB 29061/60A GB 2906160 A GB2906160 A GB 2906160A GB 962227 A GB962227 A GB 962227A
Authority
GB
United Kingdom
Prior art keywords
mixture
diketene
trimethylamine
attain
mixing
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
GB29061/60A
Inventor
Sidney John Branch
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.)
Distillers Co Yeast Ltd
Distillers Co Ltd
Original Assignee
Distillers Co Yeast Ltd
Distillers Co Ltd
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 Distillers Co Yeast Ltd, Distillers Co Ltd filed Critical Distillers Co Yeast Ltd
Priority to GB29061/60A priority Critical patent/GB962227A/en
Publication of GB962227A publication Critical patent/GB962227A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Acetoacetarylamides are prepared by mixing an arylamine with diketene as rapidly as possible for example within a period of 30 seconds, and allowing the mixture to attain a maximum temperature in the range 50 to 80 DEG C. The mixture is preferably allowed to attain a temperature from 55 to 70 DEG C. within 10 to 25 minutes from mixing. Arylamines specified are aniline, toluidines, benzidine, diphenylamine, nitroanilines, chloroanilines and alkyl esters of amino benzoic acids. The reaction is preferably carried out in the presence, as catalyst, of a tertiary amine or the salt of a tertiary amine with a weak acid, e.g. trimethylamine, triethylamine and their acetates. In the examples o-chloroaniline is reacted with diketene in the presence of trimethylamine using toluene as a solvent for the reaction mixture.
GB29061/60A 1960-08-23 1960-08-23 Production of aceto-acetarylamides Expired GB962227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB29061/60A GB962227A (en) 1960-08-23 1960-08-23 Production of aceto-acetarylamides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29061/60A GB962227A (en) 1960-08-23 1960-08-23 Production of aceto-acetarylamides

Publications (1)

Publication Number Publication Date
GB962227A true GB962227A (en) 1964-07-01

Family

ID=10285577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29061/60A Expired GB962227A (en) 1960-08-23 1960-08-23 Production of aceto-acetarylamides

Country Status (1)

Country Link
GB (1) GB962227A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087610A (en) * 1975-04-29 1978-05-02 Hoechst Aktiengesellschaft Process for the preparation of 5-acetoacetylamino-benzimidazolone
US4153798A (en) * 1976-03-24 1979-05-08 Hoechst Aktiengesellschaft Process for the manufacture of 5-acetoacetylamino-benzimidazolone
EP0001994A1 (en) * 1977-11-04 1979-05-30 Hoechst Aktiengesellschaft Process for preparing acetylaminobenzenes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087610A (en) * 1975-04-29 1978-05-02 Hoechst Aktiengesellschaft Process for the preparation of 5-acetoacetylamino-benzimidazolone
US4153798A (en) * 1976-03-24 1979-05-08 Hoechst Aktiengesellschaft Process for the manufacture of 5-acetoacetylamino-benzimidazolone
EP0001994A1 (en) * 1977-11-04 1979-05-30 Hoechst Aktiengesellschaft Process for preparing acetylaminobenzenes

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