DK0648748T3 - Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2 - Google Patents

Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2

Info

Publication number
DK0648748T3
DK0648748T3 DK94116235.6T DK94116235T DK0648748T3 DK 0648748 T3 DK0648748 T3 DK 0648748T3 DK 94116235 T DK94116235 T DK 94116235T DK 0648748 T3 DK0648748 T3 DK 0648748T3
Authority
DK
Denmark
Prior art keywords
acetoacetylaminobenzimidazolone
preparation
Prior art date
Application number
DK94116235.6T
Other languages
English (en)
Inventor
Karl Ernst Dr Mack
Michael Dr Bohusch
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
Application granted granted Critical
Publication of DK0648748T3 publication Critical patent/DK0648748T3/da

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
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D235/16—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK94116235.6T 1993-10-19 1994-10-14 Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2 DK0648748T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4335614A DE4335614A1 (de) 1993-10-19 1993-10-19 Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-2

Publications (1)

Publication Number Publication Date
DK0648748T3 true DK0648748T3 (da) 1997-10-13

Family

ID=6500485

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94116235.6T DK0648748T3 (da) 1993-10-19 1994-10-14 Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2

Country Status (8)

Country Link
US (1) US5476948A (da)
EP (1) EP0648748B1 (da)
JP (1) JP3575839B2 (da)
KR (1) KR100352807B1 (da)
CN (1) CN1106391A (da)
CA (1) CA2118378C (da)
DE (2) DE4335614A1 (da)
DK (1) DK0648748T3 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103664794B (zh) * 2013-12-30 2016-03-30 青岛双桃精细化工（集团）有限公司 一种5-乙酰乙酰氨基苯并咪唑酮的制备方法
CN104151251B (zh) * 2014-08-07 2017-01-18 山东汇海医药化工有限公司 一种一锅合成5‑乙酰乙酰氨基苯并咪唑酮的方法
CN104130193B (zh) * 2014-08-12 2016-09-28 南通醋酸化工股份有限公司 一种5-乙酰乙酰氨基苯并咪唑酮的合成方法
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
CN110872259A (zh) * 2019-12-11 2020-03-10 山东汇海医药化工有限公司 一种连续化生产5-乙酰乙酰氨基苯并咪唑酮的方法
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1644231A1 (de) * 1967-10-27 1970-12-10 Hoechst Ag Wasserunloeslicher Monoazofarbstoff und Verfahren zu seiner Herstellung
DE2518922C2 (de) * 1975-04-29 1982-08-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 5- Acetoacetylaminobenzimidazolon-(2)
DE2612391C2 (de) * 1976-03-24 1982-09-23 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-(2)
JPS57126453A (en) * 1981-01-28 1982-08-06 Dainippon Ink & Chem Inc Production of acetoacetic anilide
JPH05213896A (ja) * 1992-02-07 1993-08-24 Honsyu Kagaku Kogyo Kk ５−アセトアセチルアミノベンズイミダゾロンの製造方法

Also Published As

Publication number Publication date
EP0648748A1 (de) 1995-04-19
CN1106391A (zh) 1995-08-09
DE59402596D1 (de) 1997-06-05
KR950011416A (ko) 1995-05-15
JPH07188182A (ja) 1995-07-25
JP3575839B2 (ja) 2004-10-13
CA2118378C (en) 2004-12-14
US5476948A (en) 1995-12-19
EP0648748B1 (de) 1997-05-02
KR100352807B1 (ko) 2002-12-26
CA2118378A1 (en) 1995-04-20
DE4335614A1 (de) 1995-04-27

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