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JPS5545634A - Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent - Google Patents

Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent

Info

Publication number
JPS5545634A
JPS5545634A JP11861478A JP11861478A JPS5545634A JP S5545634 A JPS5545634 A JP S5545634A JP 11861478 A JP11861478 A JP 11861478A JP 11861478 A JP11861478 A JP 11861478A JP S5545634 A JPS5545634 A JP S5545634A
Authority
JP
Japan
Prior art keywords
formula
compound
herbicides
preparation
active constituent
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
Application number
JP11861478A
Other languages
Japanese (ja)
Other versions
JPS611023B2 (en
Inventor
Tetsuo Takematsu
Hirozo Segawa
Takama Miura
Toshihide Ataka
Michio Chatani
Akira Nakamura
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.)
Kyowa Gas Chemical Industry Co Ltd
Original Assignee
Kyowa Gas Chemical Industry 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 Kyowa Gas Chemical Industry Co Ltd filed Critical Kyowa Gas Chemical Industry Co Ltd
Priority to JP11861478A priority Critical patent/JPS5545634A/en
Priority to US05/969,938 priority patent/US4259489A/en
Priority to DE19782854603 priority patent/DE2854603A1/en
Priority to CA000318340A priority patent/CA1118418A/en
Priority to CH1304678A priority patent/CH639960A5/en
Priority to FR7836107A priority patent/FR2412536B1/en
Priority to DD78210121A priority patent/DD142280A5/en
Publication of JPS5545634A publication Critical patent/JPS5545634A/en
Publication of JPS611023B2 publication Critical patent/JPS611023B2/ja
Granted legal-status Critical Current

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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

NEW MATERIAL:A 2,3-dicyanopyrazine derivative of formula I: (R1 is halogen or lower alkyl group; R2 and R3 are H, lower alkyl, lower alkenyl, lower alkynyl groups; however, R2 and R3 are not H at the same time).
EXAMPLE: 2,3-Dicyano-5-methylamino-6-(3-chlorophenyl)pyrazine.
USE: Herbicides usable for both flooded paddy fields and plowed fields, applied before and after the germination of weeds, capable of whitening and killing the weeds selectively.
PROCESS: A compound of formula II is halogenated to give a compound of formula III: (X is halogen), which is reacted with an amine of formula IV in a solvent, e.g. acetone, in the presence of an acid binder, e.g. NaOH, at 50°C or below, to form the compound of formula I.
COPYRIGHT: (C)1980,JPO&Japio
JP11861478A 1977-12-22 1978-09-28 Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent Granted JPS5545634A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP11861478A JPS5545634A (en) 1978-09-28 1978-09-28 Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent
US05/969,938 US4259489A (en) 1977-12-22 1978-12-15 2,3-Dicyanopyrazines
DE19782854603 DE2854603A1 (en) 1977-12-22 1978-12-18 NEW PYRAZINE DERIVATIVES, THE PROCESS FOR THEIR PRODUCTION AND THEIR APPLICATION
CA000318340A CA1118418A (en) 1977-12-22 1978-12-21 2,3-dicyanopyrazine derivatives
CH1304678A CH639960A5 (en) 1977-12-22 1978-12-21 2,3-DICYANOPYRAZINE DERIVATIVES, METHOD FOR THE PRODUCTION THEREOF AND HERBICIDES CONTAINING THEM.
FR7836107A FR2412536B1 (en) 1977-12-22 1978-12-22 2,3-DICYANOPYRAZINES FOR USE AS HERBICIDES
DD78210121A DD142280A5 (en) 1977-12-22 1978-12-22 HERBICIDE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11861478A JPS5545634A (en) 1978-09-28 1978-09-28 Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent

Publications (2)

Publication Number Publication Date
JPS5545634A true JPS5545634A (en) 1980-03-31
JPS611023B2 JPS611023B2 (en) 1986-01-13

Family

ID=14740896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11861478A Granted JPS5545634A (en) 1977-12-22 1978-09-28 Dicyanopyrazine derivative, its preparation, and herbicides comprising it as active constituent

Country Status (1)

Country Link
JP (1) JPS5545634A (en)

Also Published As

Publication number Publication date
JPS611023B2 (en) 1986-01-13

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