JPS5416485A - Pyridazinone derivatives and their preparation - Google Patents
Pyridazinone derivatives and their preparationInfo
- Publication number
- JPS5416485A JPS5416485A JP8222677A JP8222677A JPS5416485A JP S5416485 A JPS5416485 A JP S5416485A JP 8222677 A JP8222677 A JP 8222677A JP 8222677 A JP8222677 A JP 8222677A JP S5416485 A JPS5416485 A JP S5416485A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- pyridazinone derivatives
- lower alkyl
- pyridazinone
- derivatives
- 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
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
PURPOSE:Pyridazinone derivatives of formula I(R<1> is H, lower alkyl, alkanoyl, benzoyl or alkylsulfonyl with or without substituents; R<2> is H, lower alkyl; n is 1, 2; Z = C is O = C, H2C).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8222677A JPS5416485A (en) | 1977-07-08 | 1977-07-08 | Pyridazinone derivatives and their preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8222677A JPS5416485A (en) | 1977-07-08 | 1977-07-08 | Pyridazinone derivatives and their preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5416485A true JPS5416485A (en) | 1979-02-07 |
JPS6147837B2 JPS6147837B2 (en) | 1986-10-21 |
Family
ID=13768485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8222677A Granted JPS5416485A (en) | 1977-07-08 | 1977-07-08 | Pyridazinone derivatives and their preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5416485A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1979000941A1 (en) * | 1978-04-18 | 1979-11-15 | Yoshitomi Pharmaceutical | Pyridazine compounds |
US4361563A (en) * | 1978-08-25 | 1982-11-30 | Dr. Karl Thomae Gesellschaft Mit Beschrankter Haftung | Pyridazinone-substituted benzimidazoles and salts |
US4562190A (en) * | 1983-07-25 | 1985-12-31 | Fujisawa Pharmaceutical Co., Ltd. | Benzothiazolone derivatives, processes for preparation thereof and pharmaceutical compositions comprising the same |
JPS6248679A (en) * | 1985-08-26 | 1987-03-03 | Otsuka Pharmaceut Co Ltd | Carbostyril derivative |
US4666902A (en) * | 1983-06-20 | 1987-05-19 | Cassella Aktiengesellschaft | Tetrahydropyridazinone derivatives, processes for their preparation and their use |
-
1977
- 1977-07-08 JP JP8222677A patent/JPS5416485A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1979000941A1 (en) * | 1978-04-18 | 1979-11-15 | Yoshitomi Pharmaceutical | Pyridazine compounds |
US4361563A (en) * | 1978-08-25 | 1982-11-30 | Dr. Karl Thomae Gesellschaft Mit Beschrankter Haftung | Pyridazinone-substituted benzimidazoles and salts |
US4666902A (en) * | 1983-06-20 | 1987-05-19 | Cassella Aktiengesellschaft | Tetrahydropyridazinone derivatives, processes for their preparation and their use |
US4562190A (en) * | 1983-07-25 | 1985-12-31 | Fujisawa Pharmaceutical Co., Ltd. | Benzothiazolone derivatives, processes for preparation thereof and pharmaceutical compositions comprising the same |
JPS6248679A (en) * | 1985-08-26 | 1987-03-03 | Otsuka Pharmaceut Co Ltd | Carbostyril derivative |
Also Published As
Publication number | Publication date |
---|---|
JPS6147837B2 (en) | 1986-10-21 |
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