PYRAZOLONE COMPOUND OR SALT THEREOF, PREPARATION METHOD THEREFOR, HERBICIDE COMPOSITION AND USE THEREOF - QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD

Title:

PYRAZOLONE COMPOUND OR SALT THEREOF, PREPARATION METHOD THEREFOR, HERBICIDE COMPOSITION AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2017/075910

Kind Code:

A1

Abstract:

The present application relates to the field of pesticides, and in particular, to a pyrazolone compound or salt thereof, preparation method therefor, herbicide composition and use thereof. The pyrazolone compound is represented by general formula I:, where R1R2N represents substituted or unsubstituted 3-8 membered nitrogen-containing heterocyclic groups containing 1-3 heteroatoms; or R1 and R2 represent hydrogen and C1-8 alkyl, respectively; R3 represents hydrogen, C1-4 alkyl, alkenyl, alkynyl, or unsubstituted C3-6 naphthenic bases or C3-6 naphthenic bases substituted by C1-4 alkyl; R4 represents methyl, ethyl, n-propyl, isopropyl, or cyclopropyl; X represents hydrogen, -S(O)nR6, -R7, or substituted or unsubstituted 3-8 membered heterocyclic groups containing 1-4 heteroatoms, wherein n represents 1, 2, or 3; R6 represents substituted or unsubstituted alkyl or aryl; R7 represents substituted or unsubstituted alkyl, aryl, alkanoyl, or aroyl. The herbicide active matter provided by the present invention has good herbicide effect, convenience in use, low costs, and good commercial value.

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Inventors:

LIAN LEI (CN)
ZHENG YURONG (CN)
HE BIN (CN)
PENG XUEGANG (CN)
JIN TAO (CN)
CUI QI (CN)

Application Number:

PCT/CN2016/070453

Publication Date:

May 11, 2017

Filing Date:

January 08, 2016

Export Citation:

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Assignee:

QINGDAO KINGAGROOT CHEMICAL COMPOUNDS CO LTD (CN)

International Classes:

A01N43/56; C07D231/20; C07D403/10; A01P13/00

Domestic Patent References:

WO1997046530A1

1997-12-11

Foreign References:

CN105218449A	2016-01-06
CN1175951A	1998-03-11
US4557753A	1985-12-10
US4414392A	1983-11-08
CN1036202A	1989-10-11

Other References: