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JPS56169673A - 4-benzoylpyrazole derivative - Google Patents

4-benzoylpyrazole derivative

Info

Publication number
JPS56169673A
JPS56169673A JP7406080A JP7406080A JPS56169673A JP S56169673 A JPS56169673 A JP S56169673A JP 7406080 A JP7406080 A JP 7406080A JP 7406080 A JP7406080 A JP 7406080A JP S56169673 A JPS56169673 A JP S56169673A
Authority
JP
Japan
Prior art keywords
formula
expressed
methylpyrazole
compound
derivative
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
Application number
JP7406080A
Other languages
Japanese (ja)
Inventor
Toshiaki Yanai
Junzo Hizuka
Muneharu Mizukai
Tadashi Murakami
Koji Matsui
Teruomi Jojima
Takao Konotsune
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sankyo Co Ltd
Original Assignee
Sankyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sankyo Co Ltd filed Critical Sankyo Co Ltd
Priority to JP7406080A priority Critical patent/JPS56169673A/en
Publication of JPS56169673A publication Critical patent/JPS56169673A/en
Pending legal-status Critical Current

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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

NEW MATERIAL:A 4-benzoylpyrazole derivative expressed by formula I (x is halogen, nitro or lower alkyl; n is an integer 1W3, and X may be the same or different when n is 2 or 3; Y is H or lower alkoxycarbonyl).
EXAMPLE: 4-(2,4-Dichlorobenzoyl)-3-hydroxyl-5-methylpyrazole.
USE: Useful as a herbicide or a synthetic intermediate therefor, and capable of readily synthesizing a compound effective as a pre-emergence soil treating herbicide particularly against weeds in plowed fields, e.g. large-crab grass, goose grass, green foxtail, etc.
PROCESS: 3-Hydroxy-5-methylpyrazole expressed by formula II is reacted with a benzoic acid or a reactive derivative thereof, preferably in the presence of aluminum chloride, to give a compound expressed by formula III of the compound expressed by formula I in which Y is H.
COPYRIGHT: (C)1981,JPO&Japio
JP7406080A 1980-06-02 1980-06-02 4-benzoylpyrazole derivative Pending JPS56169673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7406080A JPS56169673A (en) 1980-06-02 1980-06-02 4-benzoylpyrazole derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7406080A JPS56169673A (en) 1980-06-02 1980-06-02 4-benzoylpyrazole derivative

Publications (1)

Publication Number Publication Date
JPS56169673A true JPS56169673A (en) 1981-12-26

Family

ID=13536266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7406080A Pending JPS56169673A (en) 1980-06-02 1980-06-02 4-benzoylpyrazole derivative

Country Status (1)

Country Link
JP (1) JPS56169673A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126692A1 (en) * 2005-05-23 2006-11-30 Sagami Chemical Research Center Pyrazole-1-carboxylic ester derivative, method for producing the same and method for producing pyrazole derivative

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126692A1 (en) * 2005-05-23 2006-11-30 Sagami Chemical Research Center Pyrazole-1-carboxylic ester derivative, method for producing the same and method for producing pyrazole derivative

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