JPS5543088A - Preparation of isoxazole derivative - Google Patents
Preparation of isoxazole derivativeInfo
- Publication number
- JPS5543088A JPS5543088A JP11659879A JP11659879A JPS5543088A JP S5543088 A JPS5543088 A JP S5543088A JP 11659879 A JP11659879 A JP 11659879A JP 11659879 A JP11659879 A JP 11659879A JP S5543088 A JPS5543088 A JP S5543088A
- Authority
- JP
- Japan
- Prior art keywords
- derivative
- lower alkyl
- formula
- isoxazole derivative
- phosgen
- 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
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
PURPOSE:The reaction of a specific isoxazole derivative with phosgen gives and isoxazolone derivative that it useful as a synthetic intermediate of plant growth regulator. CONSTITUTION:The reaction between an isoxazole derivative of formula I (X is H, halogen, lower alkyl; Y is H, lower alkyl) and phosgen is conducted in an inert solvent as benzene or toluene at room temperature to the refluxing temperature of the solvent to give the isoxazolone derivative of formula II. The product gives a compound of formula III (R1 is lower alkyl; R2 is phenyl or benzyl which may be substituted) that is a plant growth regulator, when it reacts with a corresponding secondary amine or its salt in the presence of a base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11659879A JPS5543088A (en) | 1979-09-11 | 1979-09-11 | Preparation of isoxazole derivative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11659879A JPS5543088A (en) | 1979-09-11 | 1979-09-11 | Preparation of isoxazole derivative |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10472072A Division JPS5616763B2 (en) | 1972-10-19 | 1972-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5543088A true JPS5543088A (en) | 1980-03-26 |
| JPS5745435B2 JPS5745435B2 (en) | 1982-09-28 |
Family
ID=14691107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11659879A Granted JPS5543088A (en) | 1979-09-11 | 1979-09-11 | Preparation of isoxazole derivative |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5543088A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61205565A (en) * | 1985-03-09 | 1986-09-11 | Kubota Ltd | Walking type management machine |
-
1979
- 1979-09-11 JP JP11659879A patent/JPS5543088A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5745435B2 (en) | 1982-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Effective date: 20050323 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
| A72 | Notification of change in name of applicant |
Effective date: 20051028 Free format text: JAPANESE INTERMEDIATE CODE: A721 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080507 |
|
| A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20081014 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20081202 |