Multi-substituted phenylpyrazole derivatives and preparation method and application thereof

By developing multi-substituted phenylpyrazole derivatives, we have solved the environmental and human and animal safety risks of existing pesticides and the prevention and control of resistant pests, and achieved efficient and safe pesticide substitutes with excellent insecticidal effects and good Environmental compatibility.

CN107629005AInactive Publication Date: 2018-01-26王泊理
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2017-08-22
Publication Date
2018-01-26
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing pesticides have potential risks to the environment and human and animal safety, and have limited effectiveness in controlling antibiotic-resistant pests, making it difficult to meet strict environmental and food safety requirements.

Method used

Develop a multi-substituted phenylpyrazole derivative, whose structure is shown in the general formula I. It is prepared by reacting a specific compound with a halide under the condition of adding an alkaline substance to the reaction solvent to form a multi-substituted phenylpyrazole derivative with excellent insecticidal effect. Phenylpyrazole derivatives are used to prepare insecticides and are suitable for pest control in agriculture, forestry and health industries.

Benefits of technology

This multi-substituted phenylpyrazole derivative is superior to or equivalent to existing commercial pesticides on the market in terms of low toxicity, environmental friendliness, safe use, broad spectrum and long duration of effect. It especially has significant control effects on resistant pests. The preparation method is simple and the operation is efficient.

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Abstract

The invention discloses multi-substituted phenylpyrazole derivatives and a preparation method and an application thereof in preparation of insecticides, wherein the multi-substituted phenylpyrazole derivatives have the structure described in the specification. The multi-substituted phenylpyrazole derivatives have the insecticidal efficacy better than or equivalent to that of conventional commoditized pesticides on the market. The compounds can be used for prevention and control of pests in agriculture, forestry or hygiene, especially for prevention and control of insecticide-resistant insects.The preparation method has the advantages of high yield, fewer steps and simple operation.
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