Shenyang Sinochem Agrochemicals R&d Co., Ltd.

Jiangsu Yangnong Chemical Co., Ltd.

Xueming Cheng

Hongfei Wu

Jingbo Xu

Haibo Yu

Libao Xu

Ningning Sun

Chunxiao Guo

Qin Sun

Shaowu Liu

Liang Chen

Zhinian Li

Lixin Zhang

Jie Zhao

Xiuhui Chang

Lanfeng Ban

Junli Liu

Hao Yang

Geng Sun

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.

Piperonylic acid derivative and application thereof

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.

Oxime ether compound and application thereof

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.

Method of preparing malononitrile oxime ether compound and intermediate compound

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.

Piperonylic acid derivative and preparation and application thereof

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.

Malononitrile oxime ether compound and use thereof

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Liaoning, China

Xueming Cheng