JPS6456663A - Pyrazole derivative and herbicide containing said derivative as active ingredient - Google Patents

Pyrazole derivative and herbicide containing said derivative as active ingredient

Info

Publication number
JPS6456663A
JPS6456663A JP21242787A JP21242787A JPS6456663A JP S6456663 A JPS6456663 A JP S6456663A JP 21242787 A JP21242787 A JP 21242787A JP 21242787 A JP21242787 A JP 21242787A JP S6456663 A JPS6456663 A JP S6456663A
Authority
JP
Japan
Prior art keywords
formula
derivative
pyrazole
compound
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.)
Pending
Application number
JP21242787A
Other languages
Japanese (ja)
Inventor
Yoshinori Endo
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.)
Otsuka Chemical Co Ltd
Original Assignee
Otsuka Chemical 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 Otsuka Chemical Co Ltd filed Critical Otsuka Chemical Co Ltd
Priority to JP21242787A priority Critical patent/JPS6456663A/en
Publication of JPS6456663A publication Critical patent/JPS6456663A/en
Pending legal-status Critical Current

Links

Abstract

NEW MATERIAL:Pyrazole derivative expressed by formula I (R<1> is nitro or cyano; X is H, halogen, lower haloalkyl or lower haloalkoxy; n is 1-5; A is =CH- or =N-, provided that when R<1> is nitro group, A is not =CH-). EXAMPLE:4-Cyano-1-(2,3,4-trichlorophenyl)pyrazole. USE:Useful as a herbicide, exhibiting high herbicide activity using in upland filed or paddy field and giving no influence on crops, e.g. rice, soybean, sunflower, cotton or wheat. PREPARATION:As shown in the reaction formula, a compound expressed by formula II is subjected to dehalogenation reaction in the presence of a basic compound such as sodium hydrogen carbonate in a solvent such as diethyl ether to provide the compound expressed by formula I. The basic compound is used at an amount in the range of normally 0.01-3 times mol. based on the compound expressed by formula II.
JP21242787A 1987-08-26 1987-08-26 Pyrazole derivative and herbicide containing said derivative as active ingredient Pending JPS6456663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21242787A JPS6456663A (en) 1987-08-26 1987-08-26 Pyrazole derivative and herbicide containing said derivative as active ingredient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21242787A JPS6456663A (en) 1987-08-26 1987-08-26 Pyrazole derivative and herbicide containing said derivative as active ingredient

Publications (1)

Publication Number Publication Date
JPS6456663A true JPS6456663A (en) 1989-03-03

Family

ID=16622413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21242787A Pending JPS6456663A (en) 1987-08-26 1987-08-26 Pyrazole derivative and herbicide containing said derivative as active ingredient

Country Status (1)

Country Link
JP (1) JPS6456663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0696278B1 (en) * 1993-04-28 1998-07-22 Zeneca Limited Herbicidal substituted 1-phenyl or 1-pyridinyl-benzotriazoles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61216371A (en) * 1985-03-20 1986-09-26 Nec Corp Mold type magnetic resistance element
JPS61282355A (en) * 1985-05-31 1986-12-12 バイエル・アクチエンゲゼルシヤフト Manufacture of 4,4'-dinitrostilbene-2,2'-disulfonate
JPS62120369A (en) * 1985-11-18 1987-06-01 バイエル・アクチエンゲゼルシヤフト 1-aryl-pyrazole

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61216371A (en) * 1985-03-20 1986-09-26 Nec Corp Mold type magnetic resistance element
JPS61282355A (en) * 1985-05-31 1986-12-12 バイエル・アクチエンゲゼルシヤフト Manufacture of 4,4'-dinitrostilbene-2,2'-disulfonate
JPS62120369A (en) * 1985-11-18 1987-06-01 バイエル・アクチエンゲゼルシヤフト 1-aryl-pyrazole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0696278B1 (en) * 1993-04-28 1998-07-22 Zeneca Limited Herbicidal substituted 1-phenyl or 1-pyridinyl-benzotriazoles

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