IT1062517B - Processo per la preparazione di 5 cianpiridoni 6 - Google Patents
Processo per la preparazione di 5 cianpiridoni 6Info
- Publication number
- IT1062517B IT1062517B IT25060/76A IT2506076A IT1062517B IT 1062517 B IT1062517 B IT 1062517B IT 25060/76 A IT25060/76 A IT 25060/76A IT 2506076 A IT2506076 A IT 2506076A IT 1062517 B IT1062517 B IT 1062517B
- Authority
- IT
- Italy
- Prior art keywords
- cyanpyridons
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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 to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/84—Nitriles
- C07D213/85—Nitriles in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752531035 DE2531035A1 (de) | 1975-07-11 | 1975-07-11 | Verfahren zur herstellung von 5-cyanpyridonen-(6) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1062517B true IT1062517B (it) | 1984-10-20 |
Family
ID=5951285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT25060/76A IT1062517B (it) | 1975-07-11 | 1976-07-06 | Processo per la preparazione di 5 cianpiridoni 6 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4083849A (it) |
| JP (1) | JPS5210278A (it) |
| CH (1) | CH620909A5 (it) |
| DE (1) | DE2531035A1 (it) |
| FR (1) | FR2317290A1 (it) |
| GB (1) | GB1544683A (it) |
| IT (1) | IT1062517B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845863A1 (de) * | 1978-10-21 | 1980-04-30 | Cassella Ag | Verfahren zur herstellung von 6-hydroxypyrid-2-onen |
| US4568751A (en) * | 1983-04-29 | 1986-02-04 | Merrell Dow Pharmaceuticals Inc. | 5-Acyl-2-(1H)-pyridinones |
| DE4000529A1 (de) * | 1990-01-10 | 1991-07-11 | Cassella Ag | Faerbestabile ss-modifikation eines monoazofarbstoffes, verfahren zu ihrer herstellung und ihre verwendung |
| US5772699A (en) * | 1995-03-13 | 1998-06-30 | Crompton & Knowles Corporation | Stable aqueous reactive dye composition and method for stabilizing an aqueous reactive dye composition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE640509C (de) * | 1934-07-08 | 1937-01-06 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung von Cyanessigsaeurealkylestern |
| DE1544446C3 (de) * | 1965-08-13 | 1975-07-24 | Cassella Farbwerke Mainkur Ag, 6000 Frankfurt | Von Sulfon- und Carbonsäuregruppen freie wasserunlösliche Monoazofarbstoffe und Verfahren zu ihrer Herstellung |
| GB1249641A (en) * | 1968-06-27 | 1971-10-13 | Ici Ltd | Coloration process |
| GB1256093A (en) * | 1968-06-27 | 1971-12-08 | Ici Ltd | Water-insoluble monoazo dyestuffs |
| US3923776A (en) * | 1969-04-03 | 1975-12-02 | Basf Ag | Monoazo dye from an aminobenzene carboxylic ester diazo component and a pyridone coupling component |
-
1975
- 1975-07-11 DE DE19752531035 patent/DE2531035A1/de active Granted
-
1976
- 1976-06-23 US US05/698,916 patent/US4083849A/en not_active Expired - Lifetime
- 1976-07-06 IT IT25060/76A patent/IT1062517B/it active
- 1976-07-06 FR FR7620580A patent/FR2317290A1/fr active Granted
- 1976-07-07 JP JP51080037A patent/JPS5210278A/ja active Granted
- 1976-07-08 CH CH879676A patent/CH620909A5/de not_active IP Right Cessation
- 1976-07-09 GB GB28612/76A patent/GB1544683A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2317290A1 (fr) | 1977-02-04 |
| GB1544683A (en) | 1979-04-25 |
| FR2317290B3 (it) | 1979-03-30 |
| JPS5210278A (en) | 1977-01-26 |
| DE2531035A1 (de) | 1977-01-27 |
| US4083849A (en) | 1978-04-11 |
| JPS6126541B2 (it) | 1986-06-20 |
| DE2531035C2 (it) | 1988-03-31 |
| CH620909A5 (it) | 1980-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950729 |