JPS57140774A - Preparation of triazolylketone compound - Google Patents
Preparation of triazolylketone compoundInfo
- Publication number
- JPS57140774A JPS57140774A JP2730581A JP2730581A JPS57140774A JP S57140774 A JPS57140774 A JP S57140774A JP 2730581 A JP2730581 A JP 2730581A JP 2730581 A JP2730581 A JP 2730581A JP S57140774 A JPS57140774 A JP S57140774A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- formula
- acid
- preparation
- pinacolone
- 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
Abstract
PURPOSE: To prepare the titled compound useful as an intermediate for the preparation of agricultural and horticultural fungicide, easily, in high yield, by the thermal decomposition of an alkoxyketone compound obtained easily from pinacolone and a benzaldehyde analog, in the presence of an acid.
CONSTITUTION: The objective compound of formula II (X is H or Cl) is prepared by the thermal decomposition of an alkoxyketone compound of formulaI (R is CH3 or C2H5) at 130W220°C in the presence of 0.01W0.1 mole of an acid (preferably sulfuric acid or p-toluenesulfonic acid) per 1 mole of the compound of formulaI. The stating compound of formulaIcan be prepared by (1) reacting a benzaldehyde analog of formula III with pinacolone in the presence of a base, (2) oxidizing the product to obtain the epoxide of formula IV, and (3) opening the ring of the epoxide with 1,2,4-triazole. Reduction of the compound of formula II yields quantitatively the triazolylvinyl alcohol compound which is a useful fungicide.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2730581A JPS57140774A (en) | 1981-02-25 | 1981-02-25 | Preparation of triazolylketone compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2730581A JPS57140774A (en) | 1981-02-25 | 1981-02-25 | Preparation of triazolylketone compound |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57140774A true JPS57140774A (en) | 1982-08-31 |
Family
ID=12217370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2730581A Pending JPS57140774A (en) | 1981-02-25 | 1981-02-25 | Preparation of triazolylketone compound |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57140774A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262589A2 (en) * | 1986-09-29 | 1988-04-06 | Sumitomo Chemical Company, Limited | Triazole compounds, and their production |
-
1981
- 1981-02-25 JP JP2730581A patent/JPS57140774A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262589A2 (en) * | 1986-09-29 | 1988-04-06 | Sumitomo Chemical Company, Limited | Triazole compounds, and their production |
US4904793A (en) * | 1986-09-29 | 1990-02-27 | Sumitomo Chemical Company, Limited | Triazole compounds, and their production |
EP0262589B1 (en) * | 1986-09-29 | 1994-05-04 | Sumitomo Chemical Company, Limited | Triazole compounds, and their production |
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