JPS5711975A - Aminophenyltetrazole derivative and salt thereof - Google Patents
Aminophenyltetrazole derivative and salt thereofInfo
- Publication number
- JPS5711975A JPS5711975A JP8515280A JP8515280A JPS5711975A JP S5711975 A JPS5711975 A JP S5711975A JP 8515280 A JP8515280 A JP 8515280A JP 8515280 A JP8515280 A JP 8515280A JP S5711975 A JPS5711975 A JP S5711975A
- Authority
- JP
- Japan
- Prior art keywords
- aminophenyltetrazole
- formula
- derivative
- salt
- expressed
- 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
Abstract
NEW MATERIAL:An aminophenyltetrazole derivative expressed by formula I (R1 is lower alkyl; R2 and R3 are H, lower alkyl, lower alkoxyl or halogen) and a salt thereof with a pharmaceutically suitable cation (Na+ or Ca2+).
EXAMPLE: 5-(3-Ethyloxalylaminophenyl)tetrazole.
USE: An antiallergic agent with low toxicity.
PROCESS: An aminophenyltetrazole compound containing a partially novel compound expressed by formula II, e.g. novel 5-(4-methyl-2-aminophenyl)tetrazole, is reacted with an oxalyl derivative expressed by formula III (A is halogen or lower alkoxyl) in a suitable solvent, if necessary in the presence of a base, to prepare the compound expressed by formula I.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8515280A JPS591705B2 (en) | 1980-06-25 | 1980-06-25 | Aminophenyl tetrazole derivatives and their salts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8515280A JPS591705B2 (en) | 1980-06-25 | 1980-06-25 | Aminophenyl tetrazole derivatives and their salts |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5711975A true JPS5711975A (en) | 1982-01-21 |
JPS591705B2 JPS591705B2 (en) | 1984-01-13 |
Family
ID=13850687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8515280A Expired JPS591705B2 (en) | 1980-06-25 | 1980-06-25 | Aminophenyl tetrazole derivatives and their salts |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS591705B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2170403A (en) * | 1984-12-24 | 1986-08-06 | Wakamoto Pharma Co Ltd | Anti-asthmatic composition and preparation thereof |
EP0256507A2 (en) * | 1986-08-12 | 1988-02-24 | Wakamoto Pharmaceutical Co., Ltd. | 3-(1H-tetrazol-5-yl)oxanilic acid and salts thereof, method for preparing the same and pharmaceutical compositions containing the compound |
-
1980
- 1980-06-25 JP JP8515280A patent/JPS591705B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2170403A (en) * | 1984-12-24 | 1986-08-06 | Wakamoto Pharma Co Ltd | Anti-asthmatic composition and preparation thereof |
US4778816A (en) * | 1984-12-24 | 1988-10-18 | Wakamoto Pharmaceutical Co., Ltd. | Anti-asthmatic composition and process for preparing the same |
EP0256507A2 (en) * | 1986-08-12 | 1988-02-24 | Wakamoto Pharmaceutical Co., Ltd. | 3-(1H-tetrazol-5-yl)oxanilic acid and salts thereof, method for preparing the same and pharmaceutical compositions containing the compound |
US4795754A (en) * | 1986-08-12 | 1989-01-03 | Wakamoto Pharmaceutical Co., Ltd. | 3-(1H-tetrazol-5-y1)oxanilic acid and salts thereof and pharmaceutical compositions containing them |
Also Published As
Publication number | Publication date |
---|---|
JPS591705B2 (en) | 1984-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |