FR2345434B1 - - Google Patents

Info

Publication number
FR2345434B1
FR2345434B1 FR7708782A FR7708782A FR2345434B1 FR 2345434 B1 FR2345434 B1 FR 2345434B1 FR 7708782 A FR7708782 A FR 7708782A FR 7708782 A FR7708782 A FR 7708782A FR 2345434 B1 FR2345434 B1 FR 2345434B1
Authority
FR
France
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
FR7708782A
Other versions
FR2345434A1 (fr
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.)
Hoechst AG
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 FR2345434A1 publication Critical patent/FR2345434A1/fr
Application granted granted Critical
Publication of FR2345434B1 publication Critical patent/FR2345434B1/fr
Granted legal-status Critical Current

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)
FR7708782A 1976-03-24 1977-03-24 Procede de preparation de la 5-acetoacetylamino-benzimidazolone Granted FR2345434A1 (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 (2)

Publication Number Publication Date
FR2345434A1 FR2345434A1 (fr) 1977-10-21
FR2345434B1 true FR2345434B1 (fr) 1984-05-11

Family

ID=5973269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708782A Granted FR2345434A1 (fr) 1976-03-24 1977-03-24 Procede de preparation de la 5-acetoacetylamino-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
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
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
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
JPS6014031B2 (ja) 1985-04-11
CH629193A5 (de) 1982-04-15
JPS52116467A (en) 1977-09-29
US4153798A (en) 1979-05-08
GB1541970A (en) 1979-03-14
FR2345434A1 (fr) 1977-10-21
DE2612391C2 (de) 1982-09-23
BE852850A (fr) 1977-09-26
DE2612391A1 (de) 1977-10-06

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Legal Events

Date Code Title Description
ST Notification of lapse