JPS6413071A - Production of 3-alkoxy-5-amino-1h-pyrazoles - Google Patents
Production of 3-alkoxy-5-amino-1h-pyrazolesInfo
- Publication number
- JPS6413071A JPS6413071A JP16906687A JP16906687A JPS6413071A JP S6413071 A JPS6413071 A JP S6413071A JP 16906687 A JP16906687 A JP 16906687A JP 16906687 A JP16906687 A JP 16906687A JP S6413071 A JPS6413071 A JP S6413071A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- expressed
- boiling point
- alcohol
- alkoxy
- 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
- Plural Heterocyclic Compounds (AREA)
Abstract
PURPOSE:To obtain the titled substances, by reacting a 3-alkoxy-5-amino-1H- pyrazole synthesized by using a lower alcohol having a specific temperature or below of the boiling point with alcohols having the above-mentioned specific temperature or above of the boiling point in the presence of a strong acid. CONSTITUTION:A compound expressed by formula I (R<2> is a group derived from an alcohol, expressed by the formula R<2>-OH and having <100 deg.C boiling point; X is substituent group; Y is acid radical, n is 0 or a positive number) is reacted with alcohols expressed by formula II (R<1> is a group derived from an alcohol, expressed by the formula R<1>OH and having >=100 deg.C boiling point) in the presence of a strong acid (preferably concentrated sulfuric acid or sulfonic acids) at 100-150 deg.C to afford the aimed compounds expressed by formula III. Various alkoxy groups can be readily introduced into the 3-position by the above-mentioned method. The titled substances are important synthetic raw materials for 1H-pyrazolo[1,5-b]-1,2,4 triazoles useful as silver salt color photographic couplers, etc., or medicines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16906687A JPS6413071A (en) | 1987-07-07 | 1987-07-07 | Production of 3-alkoxy-5-amino-1h-pyrazoles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16906687A JPS6413071A (en) | 1987-07-07 | 1987-07-07 | Production of 3-alkoxy-5-amino-1h-pyrazoles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413071A true JPS6413071A (en) | 1989-01-17 |
Family
ID=15879701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16906687A Pending JPS6413071A (en) | 1987-07-07 | 1987-07-07 | Production of 3-alkoxy-5-amino-1h-pyrazoles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413071A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680644A (en) * | 1986-02-24 | 1994-03-22 | Konica Corp | 5-amino-1h-pyrazole-based compound |
| US7053234B2 (en) * | 2000-01-13 | 2006-05-30 | Amgen Inc. | Antibacterial agents |
| CN1295467C (en) * | 2004-02-13 | 2007-01-17 | 中国科学院理化技术研究所 | Differential pressure control adaptive throttle expansion valve |
-
1987
- 1987-07-07 JP JP16906687A patent/JPS6413071A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680644A (en) * | 1986-02-24 | 1994-03-22 | Konica Corp | 5-amino-1h-pyrazole-based compound |
| US7053234B2 (en) * | 2000-01-13 | 2006-05-30 | Amgen Inc. | Antibacterial agents |
| US7148259B1 (en) | 2000-01-13 | 2006-12-12 | Amgen Inc. | Antibacterial agents |
| CN1295467C (en) * | 2004-02-13 | 2007-01-17 | 中国科学院理化技术研究所 | Differential pressure control adaptive throttle expansion valve |
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