BE852850A - Procede de preparation de la 5-acetoacetyl-amino-benzimidazolone - Google Patents

Procede de preparation de la 5-acetoacetyl-amino-benzimidazolone

Info

Publication number
BE852850A
BE852850A BE176094A BE176094A BE852850A BE 852850 A BE852850 A BE 852850A BE 176094 A BE176094 A BE 176094A BE 176094 A BE176094 A BE 176094A BE 852850 A BE852850 A BE 852850A
Authority
BE
Belgium
Prior art keywords
benzimidazolone
acetoacetyl
amino
preparing
Prior art date
Application number
BE176094A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE852850A publication Critical patent/BE852850A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles 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 in position 2
    • C07D235/26—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE176094A 1976-03-24 1977-03-24 Procede de preparation de la 5-acetoacetyl-amino-benzimidazolone BE852850A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2612391A DE2612391C2 (de) 1976-03-24 1976-03-24 Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-(2)

Publications (1)

Publication Number Publication Date
BE852850A true BE852850A (fr) 1977-09-26

Family

ID=5973269

Family Applications (1)

Application Number Title Priority Date Filing Date
BE176094A BE852850A (fr) 1976-03-24 1977-03-24 Procede de preparation de la 5-acetoacetyl-amino-benzimidazolone

Country Status (7)

Country Link
US (1) US4153798A (fr)
JP (1) JPS6014031B2 (fr)
BE (1) BE852850A (fr)
CH (1) CH629193A5 (fr)
DE (1) DE2612391C2 (fr)
FR (1) FR2345434A1 (fr)
GB (1) GB1541970A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335614A1 (de) * 1993-10-19 1995-04-27 Hoechst Ag Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-2
US6617453B1 (en) 1997-10-24 2003-09-09 Clariant Finance (Bvi) Limited Triphendioxazine compounds
DE19747175A1 (de) 1997-10-24 1999-04-29 Clariant Int Ltd Chlorhaltige Triphendioxazin-Verbindungen
DE19913401A1 (de) 1999-03-25 2000-09-28 Clariant Gmbh Verfahren zur Herstellung von Dioxazin-Verbindungen
DE10303581A1 (de) * 2003-01-30 2004-08-12 Clariant Gmbh Acetoacetylierung von Alkoholen, Thiolen und Aminen im Mikroreaktor
CN110183385A (zh) * 2019-07-01 2019-08-30 山东汇海医药化工有限公司 一种提高5-乙酰乙酰氨基苯并咪唑酮纯度的方法
CN110128350A (zh) * 2019-07-01 2019-08-16 山东汇海医药化工有限公司 一种提高5-乙酰乙酰氨基苯并咪唑酮质量的方法
CN110845424B (zh) * 2019-12-11 2021-03-26 山东汇海医药化工有限公司 一种5-乙酰乙酰氨基苯并咪唑酮的制备方法
CN111039872A (zh) * 2019-12-11 2020-04-21 山东汇海医药化工有限公司 一种提高5-乙酰乙酰氨基苯并咪唑酮收率的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1982675A (en) * 1934-12-04 Pbeparation of acetoacetanilid
US2152132A (en) * 1936-12-12 1939-03-28 Carbide & Carbon Chem Corp Acetoacetyl amides and process for their preparation
BE513633A (fr) * 1951-08-21
GB770263A (en) * 1954-06-19 1957-03-20 Wacker Chemie Gmbh Process for the manufacture of acetoacetamides
GB962227A (en) * 1960-08-23 1964-07-01 Distillers Co Yeast Ltd Production of aceto-acetarylamides
US3304328A (en) * 1963-10-25 1967-02-14 Fmc Corp Preparation of acetoacetarylamides
DE1644231A1 (de) * 1967-10-27 1970-12-10 Hoechst Ag Wasserunloeslicher Monoazofarbstoff und Verfahren zu seiner Herstellung
US3555003A (en) * 1968-10-22 1971-01-12 Hoechst Ag Water-insoluble benzimidazolone containing monoazo dyestuffs
US3963694A (en) * 1971-03-03 1976-06-15 Ciba-Geigy Corporation Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone pigments
DE2518922C2 (de) * 1975-04-29 1982-08-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 5- Acetoacetylaminobenzimidazolon-(2)

Also Published As

Publication number Publication date
GB1541970A (en) 1979-03-14
JPS6014031B2 (ja) 1985-04-11
FR2345434A1 (fr) 1977-10-21
DE2612391A1 (de) 1977-10-06
CH629193A5 (de) 1982-04-15
JPS52116467A (en) 1977-09-29
DE2612391C2 (de) 1982-09-23
FR2345434B1 (fr) 1984-05-11
US4153798A (en) 1979-05-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19960331