DK0712848T3 - Fremgangsmåde til fremstilling af 3-hydroxy-N-benzimidazolon-5-yl-naphtoesyre-2-amid i høj renhed, som er nødvendig til fre - Google Patents
Fremgangsmåde til fremstilling af 3-hydroxy-N-benzimidazolon-5-yl-naphtoesyre-2-amid i høj renhed, som er nødvendig til freInfo
- Publication number
- DK0712848T3 DK0712848T3 DK95117130T DK95117130T DK0712848T3 DK 0712848 T3 DK0712848 T3 DK 0712848T3 DK 95117130 T DK95117130 T DK 95117130T DK 95117130 T DK95117130 T DK 95117130T DK 0712848 T3 DK0712848 T3 DK 0712848T3
- Authority
- DK
- Denmark
- Prior art keywords
- benzimidazolon
- amide
- purity
- hydroxy
- preparation
- Prior art date
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)
- Photoreceptors In Electrophotography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4441146A DE4441146A1 (de) | 1994-11-18 | 1994-11-18 | Verfahren zur Herstellung von 3-Hydroxy-N-benzimidazolon-5-yl-naphthoesäure-2-amid in hoher für Azopigmente erforderlicher Reinheit |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0712848T3 true DK0712848T3 (da) | 2000-10-30 |
Family
ID=6533608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK95117130T DK0712848T3 (da) | 1994-11-18 | 1995-10-31 | Fremgangsmåde til fremstilling af 3-hydroxy-N-benzimidazolon-5-yl-naphtoesyre-2-amid i høj renhed, som er nødvendig til fre |
Country Status (6)
Country | Link |
---|---|
US (1) | US5756757A (pt) |
EP (1) | EP0712848B1 (pt) |
JP (1) | JP3954121B2 (pt) |
BR (1) | BR9505216A (pt) |
DE (2) | DE4441146A1 (pt) |
DK (1) | DK0712848T3 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6503970B1 (en) | 2000-09-29 | 2003-01-07 | Engelhard Corporation | Co-processed pigments |
CN101838244B (zh) * | 2010-06-03 | 2012-11-21 | 山东金城医药化工股份有限公司 | 色酚asbi的有机溶剂合成法 |
JP5612977B2 (ja) * | 2010-09-17 | 2014-10-22 | エア・ウォーター株式会社 | 6−ブロモ−n−メチル−2−ナフタミドの製造方法 |
CN102532035B (zh) * | 2011-12-30 | 2014-01-15 | 郭祥荣 | 一种色酚as-bi的合成方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2758818A1 (de) * | 1977-12-30 | 1979-07-12 | Hoechst Ag | Neue kristallmodifikation des 5-(2'-hydroxy-3'-naphthoyl-amino)-benzimidazolon- (2), verfahren zu ihrer herstellung und ihre verwendung |
DD265894A1 (de) * | 1987-11-10 | 1989-03-15 | Bitterfeld Chemie | Verfahren zur herstellung von 5-(3'-hydroxynaphthoyl-2'-amino)-benzimidazolon |
-
1994
- 1994-11-18 DE DE4441146A patent/DE4441146A1/de not_active Withdrawn
-
1995
- 1995-10-31 DE DE59508752T patent/DE59508752D1/de not_active Expired - Fee Related
- 1995-10-31 DK DK95117130T patent/DK0712848T3/da active
- 1995-10-31 EP EP95117130A patent/EP0712848B1/de not_active Expired - Lifetime
- 1995-11-16 US US08/559,551 patent/US5756757A/en not_active Expired - Fee Related
- 1995-11-16 JP JP29856895A patent/JP3954121B2/ja not_active Expired - Fee Related
- 1995-11-17 BR BR9505216A patent/BR9505216A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US5756757A (en) | 1998-05-26 |
EP0712848A3 (de) | 1997-01-08 |
EP0712848A2 (de) | 1996-05-22 |
DE59508752D1 (de) | 2000-11-02 |
EP0712848B1 (de) | 2000-09-27 |
DE4441146A1 (de) | 1996-05-23 |
JPH08225749A (ja) | 1996-09-03 |
BR9505216A (pt) | 1997-09-16 |
JP3954121B2 (ja) | 2007-08-08 |
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