CH424793A - Verfahren zur Herstellung von 4-Nitro-5-hydroxy-pyridazonen-6 - Google Patents
Verfahren zur Herstellung von 4-Nitro-5-hydroxy-pyridazonen-6Info
- Publication number
- CH424793A CH424793A CH52064A CH52064A CH424793A CH 424793 A CH424793 A CH 424793A CH 52064 A CH52064 A CH 52064A CH 52064 A CH52064 A CH 52064A CH 424793 A CH424793 A CH 424793A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydroxypyridazonen
- nitro
- preparation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/54—Diazonium salts or diazo anhydrides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Coloring (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB70636A DE1195324B (de) | 1963-02-06 | 1963-02-06 | Verfahren zur Herstellung von 4-Nitro-5-hydroxy-pyridazonen-(6) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH424793A true CH424793A (de) | 1966-11-30 |
Family
ID=6976729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH52064A CH424793A (de) | 1963-02-06 | 1964-01-17 | Verfahren zur Herstellung von 4-Nitro-5-hydroxy-pyridazonen-6 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3317530A (de) |
| AT (1) | AT251591B (de) |
| BE (1) | BE643273A (de) |
| CH (1) | CH424793A (de) |
| DE (1) | DE1195324B (de) |
| GB (1) | GB1042901A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1604863A (de) * | 1967-11-22 | 1972-04-17 | ||
| US4177273A (en) * | 1977-02-14 | 1979-12-04 | Sandoz, Inc. | 6-(Substituted phenyl)-4,5-dihydro-pyridazin-3(2H)-ones |
-
1963
- 1963-02-06 DE DEB70636A patent/DE1195324B/de active Granted
-
1964
- 1964-01-17 CH CH52064A patent/CH424793A/de unknown
- 1964-01-31 BE BE643273D patent/BE643273A/xx unknown
- 1964-02-03 GB GB4405/64A patent/GB1042901A/en not_active Expired
- 1964-02-05 US US342777A patent/US3317530A/en not_active Expired - Lifetime
- 1964-02-06 AT AT95564A patent/AT251591B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| US3317530A (en) | 1967-05-02 |
| DE1195324B (de) | 1965-06-24 |
| AT251591B (de) | 1967-01-10 |
| DE1195324C2 (de) | 1966-02-17 |
| GB1042901A (en) | 1966-09-14 |
| BE643273A (de) | 1964-07-31 |
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