Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.

Abstract: The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.

Abstract: The present invention belongs to the field of agricultural acaricides, and particularly relates to a substituted phenyl sulfide compound and an application thereof. The substituted phenyl sulfide compound is as represented in general formula I. Definitions of substituted groups in the formula are given in the description. The compound of the general formula I has excellent acaricidal activity and can be used for preventing and controlling various mites.

Abstract: The present invention discloses an oxime ether compound with novel structure. The structure is shown in general formula I. The definition of each substituent in the formula is provided in the description. The compound of general formula I has excellent microbicidal 1 activity, and has good control effects on plant bacterial diseases and fungal diseases. The present invention comprises an application of the compound of the general formula I as a microbicide in agriculture and other fields.

Abstract: The present invention belongs to the fields of insecticides and acaricides, and particularly relates to a piperonylic acid derivative and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I has excellent insecticidal and acaricidal activity and can be used for controlling various pests and mites.

Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises steps: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound as shown in formula (VI), and, a dehyclrant to a dehydrantion reaction in the presence of a second solvent to obtain the malononitrile oxime ether compound. In the preparation process for the intermediate, a cheaper cyanoacetamide is used as a raw material, the reaction conditions are mild. Moreover, the yield of the intermediate compound is high and the cost of the process is low.

Abstract: The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.

Abstract: Disclosed is a malononitrile oxime ether compound having a novel structure as shown in the general formula I. Respective substituents in the general formula I as defined in the specification. The compound of the general formula I exhibits an excellent microbicidal activity, and can effectively prevent and treat plant diseases caused by bacteria and fungi. Also provided is a use of the compound of the general formula I as a microbicide in the agricultural and other fields.

Abstract: Disclosed is a malononitrile oxime ether compound having a novel structure as shown in the general formula I. Respective substituents in the general formula I as defined in the specification. The compound of the general formula I exhibits an excellent microbicidal activity, and can effectively prevent and treat plant diseases caused by bacteria and fungi. Also provided is a use of the compound of the general formula I as a microbicide in the agricultural and other fields.