JPS5524101A - New quinolopyran derivative and antiallergic remedy for asthma - Google Patents
New quinolopyran derivative and antiallergic remedy for asthmaInfo
- Publication number
- JPS5524101A JPS5524101A JP9583678A JP9583678A JPS5524101A JP S5524101 A JPS5524101 A JP S5524101A JP 9583678 A JP9583678 A JP 9583678A JP 9583678 A JP9583678 A JP 9583678A JP S5524101 A JPS5524101 A JP S5524101A
- Authority
- JP
- Japan
- Prior art keywords
- quinolopyran
- antiallergic
- remedy
- asthma
- methyl
- 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.)
- Pending
Links
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
NEW MATERIAL:A quinolopyran-4-one-2-carboxylic acid derivative I (R1, R2 and R3 are H, 1W5C alkyl, 1W5C alkoxy, halogen, 2W6C alkoxycarbonyl, 6W10C aryl or two of the R1W3 may form a 1W3C alkylenedioxy) or its tautomer, N-methyl- glucamine salt I'.
EXAMPLE: 9-Methyl-5-hydroxyquinolo (4,3-b)pyran-4-one-2-carboxylic acid N- methyl-glucamine salt.
USE: Antiallergic remedy for asthma. It has remarkably high solubility in water, good medical efficacy and reduced toxicity.
PREPARATION: The free acid II is suspended in water and mixed with N-methylglucamine. If desired, the solution is concentrated and an organic solvent is added to deposit the salt I.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9583678A JPS5524101A (en) | 1978-08-08 | 1978-08-08 | New quinolopyran derivative and antiallergic remedy for asthma |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9583678A JPS5524101A (en) | 1978-08-08 | 1978-08-08 | New quinolopyran derivative and antiallergic remedy for asthma |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5524101A true JPS5524101A (en) | 1980-02-21 |
Family
ID=14148460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9583678A Pending JPS5524101A (en) | 1978-08-08 | 1978-08-08 | New quinolopyran derivative and antiallergic remedy for asthma |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5524101A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007244279A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244281A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244280A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244282A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus dissolving milk substitute |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49125513A (en) * | 1973-03-28 | 1974-12-02 | ||
JPS523818A (en) * | 1975-06-26 | 1977-01-12 | Hoffmann La Roche | Salt of penicillanic acid |
JPS52109000A (en) * | 1976-03-05 | 1977-09-12 | Mitsubishi Yuka Yakuhin Kk | Quinolopyranee44onee22 carboxylate derivatives and medicine for allergic asthma |
-
1978
- 1978-08-08 JP JP9583678A patent/JPS5524101A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49125513A (en) * | 1973-03-28 | 1974-12-02 | ||
JPS523818A (en) * | 1975-06-26 | 1977-01-12 | Hoffmann La Roche | Salt of penicillanic acid |
JPS52109000A (en) * | 1976-03-05 | 1977-09-12 | Mitsubishi Yuka Yakuhin Kk | Quinolopyranee44onee22 carboxylate derivatives and medicine for allergic asthma |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007244279A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244281A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244280A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus for dissolving milk substitute |
JP2007244282A (en) * | 2006-03-16 | 2007-09-27 | Shizuoka Seiki Co Ltd | Apparatus dissolving milk substitute |
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