DE2900506C2 - - Google Patents
Info
- Publication number
- DE2900506C2 DE2900506C2 DE19792900506 DE2900506A DE2900506C2 DE 2900506 C2 DE2900506 C2 DE 2900506C2 DE 19792900506 DE19792900506 DE 19792900506 DE 2900506 A DE2900506 A DE 2900506A DE 2900506 C2 DE2900506 C2 DE 2900506C2
- Authority
- DE
- Germany
- Prior art keywords
- phenylenediamine
- cyanomethylbenzimidazole
- reaction
- cyanoacetic acid
- mixture
- 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.)
- Expired
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792900506 DE2900506A1 (de) | 1979-01-08 | 1979-01-08 | Verfahren zur herstellung von 2-cyanmethylbenzimidazol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792900506 DE2900506A1 (de) | 1979-01-08 | 1979-01-08 | Verfahren zur herstellung von 2-cyanmethylbenzimidazol |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2900506A1 DE2900506A1 (de) | 1980-07-17 |
DE2900506C2 true DE2900506C2 (zh) | 1988-01-07 |
Family
ID=6060185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792900506 Granted DE2900506A1 (de) | 1979-01-08 | 1979-01-08 | Verfahren zur herstellung von 2-cyanmethylbenzimidazol |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2900506A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4305714A1 (de) * | 1993-02-25 | 1994-09-01 | Hoechst Ag | Verfahren zur Herstellung von substituiertem und unsubstituiertem 2-(Cyanmethyl)benzimidazol |
US6652052B2 (en) | 1997-07-15 | 2003-11-25 | Silverbrook Research Pty Ltd | Processing of images for high volume pagewidth printing |
CA3082375A1 (en) | 2017-11-13 | 2019-05-16 | Ecolab Usa Inc. | A novel one-pot homogeneous process for the large scale manufacture of 2-substituted benzimidazoles |
-
1979
- 1979-01-08 DE DE19792900506 patent/DE2900506A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2900506A1 (de) | 1980-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: C07D235/16 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8330 | Complete disclaimer |