FR2345434A1 - Procede de preparation de la 5-acetoacetylamino-benzimidazolone - Google Patents
Procede de preparation de la 5-acetoacetylamino-benzimidazoloneInfo
- Publication number
- FR2345434A1 FR2345434A1 FR7708782A FR7708782A FR2345434A1 FR 2345434 A1 FR2345434 A1 FR 2345434A1 FR 7708782 A FR7708782 A FR 7708782A FR 7708782 A FR7708782 A FR 7708782A FR 2345434 A1 FR2345434 A1 FR 2345434A1
- Authority
- FR
- France
- Prior art keywords
- acetoacetylamino
- benzimidazolone
- preparing
- 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.)
- Granted
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
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 true FR2345434A1 (fr) | 1977-10-21 |
FR2345434B1 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)
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 |
DE19747175A1 (de) | 1997-10-24 | 1999-04-29 | Clariant Int Ltd | Chlorhaltige Triphendioxazin-Verbindungen |
US6617453B1 (en) | 1997-10-24 | 2003-09-09 | Clariant Finance (Bvi) Limited | Triphendioxazine compounds |
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 |
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 |
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 |
Citations (4)
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 |
US3304328A (en) * | 1963-10-25 | 1967-02-14 | Fmc Corp | Preparation of acetoacetarylamides |
FR2309542A1 (fr) * | 1975-04-29 | 1976-11-26 | Hoechst Ag | Procede de preparation d'acetoacetylamino-5 benzimidazolone |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
-
1976
- 1976-03-24 DE DE2612391A patent/DE2612391C2/de not_active Expired
-
1977
- 1977-03-21 CH CH352677A patent/CH629193A5/de not_active IP Right Cessation
- 1977-03-22 US US05/780,221 patent/US4153798A/en not_active Expired - Lifetime
- 1977-03-23 JP JP52031216A patent/JPS6014031B2/ja not_active Expired
- 1977-03-24 GB GB7712435A patent/GB1541970A/en not_active Expired
- 1977-03-24 BE BE176094A patent/BE852850A/fr not_active IP Right Cessation
- 1977-03-24 FR FR7708782A patent/FR2345434A1/fr active Granted
Patent Citations (4)
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 |
US3304328A (en) * | 1963-10-25 | 1967-02-14 | Fmc Corp | Preparation of acetoacetarylamides |
FR2309542A1 (fr) * | 1975-04-29 | 1976-11-26 | Hoechst Ag | Procede de preparation d'acetoacetylamino-5 benzimidazolone |
Also Published As
Publication number | Publication date |
---|---|
DE2612391C2 (de) | 1982-09-23 |
BE852850A (fr) | 1977-09-26 |
JPS6014031B2 (ja) | 1985-04-11 |
JPS52116467A (en) | 1977-09-29 |
FR2345434B1 (fr) | 1984-05-11 |
DE2612391A1 (de) | 1977-10-06 |
GB1541970A (en) | 1979-03-14 |
CH629193A5 (de) | 1982-04-15 |
US4153798A (en) | 1979-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |