Qingdao Kingagroot Chemical Compound Co., Ltd.

Qingdao Kingagroot Chemical Compounds Co., Ltd.

Other

Qingdao Kingagroot Resistant Weed Management Co.

Qi Cui

Xuegang Peng

Lei Lian

Rongbao Hua

De Zhao

Jingyuan Zhang

Yurong Zheng

Tao Jin

Jianfeng Wang

Song Li

Bin He

Jinxin Wang

Xiaoqi Chen

The invention belongs to the technical field of pesticides, and specifically relates to a type of substituted-isoxazoline-containing aromatic compound, preparation method therefor, herbicidal composition and use thereof. The compound is as shown in general formula I: Wherein, Q represents Y represents halogen, halogenated alkyl or cyano; Z represents halogen; X, Xeach independently represent hydrogen, halogen, alkyl, etc.; Xrepresents halogen, cyano, etc.; Xeach independently represents —COORor -alkyl-COOR; Reach independently represents hydrogen, alkyl, etc. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, and so on even at low application rates, and has high selectivity for crops.

Substituted-isoxazoline-containing aromatic compound, preparation method therefor, herbicidal composition and use thereof

The invention belongs to the technical field of pesticides, and specifically relates to a 4-pyridinyl formamide compound or a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The 4-pyridinyl formamide compound is as represented by formula (I), wherein, X and Y each independently represent nitro, halogen, cyano, formyl, thiocyano, mercapto, etc.; and M represents an unsubstituted or substituted structure (II). The compound, and the derivative and the composition thereof have excellent herbicidal activity and a higher crop safety, and establish good selectivity, especially for key crops such as wheat and rice.

4-pyridinyl formamide compound or derivative thereof, preparation method therefor, herbicidal composition and use thereof

The invention relates to the field of pesticide technology, and in particular a type of substituted thiadiazinone dioxide, preparation method, herbicidal composition and application thereof. The substituted thiadiazinone dioxide, as shown in general formula I:

Substituted thiadiazinone dioxide and preparation method therefor, herbicidal composition, and application therefor

The present disclosure relates to the field of pesticide technology, and in particular pyridyloxy carboxylate derivatives of Formula I, preparation methods, herbicidal compositions and applications thereof.

Pyridyloxy carboxylate derivative, preparation method therefor, herbicidal composition and use thereof

The disclosure relates to the field of pesticide technology, and in particular a type of fused-ring substituted aromatic compound represented by general formula I, preparation method, herbicidal composition and use thereof.

Fused ring substituted aromatic compound and preparation method therefor, herbicidal composition, and use thereof

The invention relates to the field of pesticide technology, and in particular a type of pyridyloxy thioester derivative, preparation method, herbicidal composition and application thereof. The pyridyloxy thioester derivative is represented by formula I,

Pyridyloxy thioester derivative and preparation method therefor, herbicidal composition, and application

The present invention belongs to the technical field of pesticides, and in particular relates to a pyridazinol compound, a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The pyridazinol compound is as represented by general formula I, wherein X represents and the ring is an unsubstituted or substituted aryl or unsubstituted or substituted heterocyclyl containing a carbon atom at the 1-position; Y represents haloalkyl; and Z represents halogen, cyano, hydroxy, etc. The derivative refers to an agriculturally acceptable derivative of the hydroxyl group at the 4-position of the pyridazine ring in the general formula I, including a salt, an ester, an oxime, a hydroxylamine and an ether derivative, etc. The compound, the derivative thereof and the composition thereof have good herbicidal activity and crop safety.

Pyridazinol compound, derivative thereof, preparation method therefor, herbicidal composition and use thereof

The invention relates to the field of pesticide technology, and in particular to a type of R-pyridyloxycarboxylic acid and salt, ester derivative, preparation method, herbicidal composition and application thereof. The R-pyridyloxycarboxylic acid is represented by formula I, wherein, A, B each independently represent halogen, alkyl or cycloalkyl with or without halogen; C represents hydrogen, halogen, alkyl, haloalkyl; Q represents halogen, cyano, cyanoalkyl and the like; Y represents nitro or NRR; the salt is metal salt, amine salt, sulfonium salt, phosphonium salt; the ester is wherein, X represents O or S; M represents alkyl, alkenyl, alkynyl and the like with or without halogen. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.

R-type pyridyloxycarboxylic acid, salt and ester derivative thereof, and preparation method therefor, and herbicidal composition and application thereof

The invention relates to the field of pesticide technology, and in particular a type of substituted 1,2,4-triazolo[4,3-a]pyridine derivatives, preparation method, herbicidal composition and use thereof. A substituted 1,2,4-triazolo[4,3-a]pyridine derivative, as shown in Formula I: X and Z each independently represent hydrogen, halogen, cyano or nitro, etc.; Y represents hydrogen, halogen, formyl, cyanoalkyl; or an alkyl, alkenyl or alkynyl, each of which contains or does not contain a halogen, etc. The compound and its composition have excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.

Substituted 1,2,4-triazolo[4,3-a]pyridine derivative and preparation method, herbicidal composition and application thereof

The present disclosure provides an herbicidal compound according to Formula I, which is a pyridine ring-substituted pyridazinol compound, as well as derivatives of the compound, an herbicidal composition comprising the compound, preparation methods thereof, and applications thereof.

Pyridine ring-substituted pyridazinol compounds and derivatives, preparation methods, herbicidal compositions and applications thereof

The invention relates to the field of pesticide technology, and in particular a type of pyridyloxy carboxylate derivative, preparation method, herbicidal composition and application thereof. The pyridyloxy carboxylate derivative is represented by formula I,

Pyridyloxy-carboxylate derivative and preparation method therefor, herbicidal composition, and use

The present disclosure provides an herbicidal compound according to Formula I, which is a five-membered ring-substituted pyridazinol compound, as well as derivatives of the compound, an herbicidal composition comprising the compound, preparation methods thereof, and applications thereof.

Five-membered ring-substituted pyridazinol compounds and derivatives, preparation methods, herbicidal compositions and applications thereof

Disclosed are a pyrazole compound or a salt thereof, a preparation method therefor, a herbicidal composition and use thereof. The pyrazole compound or a salt thereof has a structure as shown in formula (I): wherein, R represents wherein, R', R&#x2033;, and R&#x2032;&#x2033; represent hydrogen, C1-C4 alkyl, C1-C4 halogenated alkyl, C1-C4 alkoxy or halogen, R&#x2032;, R&#x2033;, and R&#x2032;&#x2033; may be the same or different; Rrepresents C1-C3 alkyl; Rrepresents hydrogen or C1-C4 alkyl; Rrepresents hydrogen or C1-C6 alkyl, optionally substituted phenyl, optionally substituted pyridyl, optionally substituted alkenyl, optionally substituted alkynyl, C1-C6 alkyl carbonyl, C1-C6 alkoxyl carbonyl, C1-C6 alkyl carbonyl methyl, etc. A compound having a pyrazole structure not only has excellent herbicidal effect on barnyard grass, but also is safe to rice in post-emergence application. More surprisingly, it also has good control efficacy on barnyard grass resistant to major herbicides, such as penoxsulam, quinclorac, cyhalofop-butyl, propanil, etc.

Pyrazole compounds or salts thereof, preparation method therefor, herbicidal composition and use thereof

The present invention belongs to the field of pesticides, particularly relates to a pyrazolone compound or a salt thereof, a preparation method therefor, a herbicidal composition and use thereof. The pyrazolone compound is as described in formula I:  In the formula, RRN represents substituted or unsubstituted 3-8 membered nitrogen-containing heterocyclic group containing 1-3 heteroatoms; or Rand Reach represent hydrogen or Calkyl; Rrepresents hydrogen, Calkyl, alkenyl, alkynyl, unsubstituted Ccycloalkyl or Ccycloalkyl substituted by Calkyl; Rrepresents methyl, ethyl, n-propyl, isopropyl or cyclopropyl; X represents hydrogen, &#x2014;S(O)R, &#x2014;Ror substituted or unsubstituted 3-8 membered heterocyclic group containing 1-4 heteroatoms, wherein, n represents 1, 2 or 3, Rrepresents substituted or unsubstituted alkyl or aryl, and Rrepresents substituted or unsubstituted alkyl, aryl, alkyl acyl or aroyl. The active substance of the invention exhibits good herbicidal effect, and is convenient to use, low in cost and has great commercial value.

Pyrazolone compound or salt thereof, preparation method therefor, herbicide composition and use thereof

A cornfield herbicidal composition comprising pyrazolone compounds and an application thereof is provided. The cornfield herbicidal composition comprises an herbicidally effective amount of an active ingredient A, an active ingredient B, and a safener compound C, wherein the active ingredient A is a compound of the formula (I); the active ingredient B is selected from one or more of the following compounds: triazines, nitriles, sulfonylureas, pyridine carboxylic acids, benzyl carboxylic acids, bentazone, amides, pyridines and amicarbazone; and the safener compound C is selected from one or more of the following compounds: C1 isoxadifen-ethyl, C2 cyprosulfamide, C3 mefenpyr-diethyl, C4 cloquintocet-mexyl, C5 gibberellic acid, C6 furilazole and C7 N-(2-methoxybenzoyl)-4-[(methylaminocarbonyl)amino]benzenesulfonamide. The composition can effectively prevent and remove weeds in the cornfield, and has the characteristics of extending the weed control spectrum, reducing the application dose, being safe for crops, being able to remove resistant weeds and the like.

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Shandong, China

Qi Cui