Piperidine compound and preparation method therefor, composition thereof and use thereof

WO2026061411A1PCT designated stage Publication Date: 2026-03-26QINGDAO KINGAGROOT CHEM COMPOUNDS CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2026-03-26

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively prevent and control nematode damage to plants, and killing nematodes can also damage plants.

Method used

A piperidine compound and its salt or N-oxide are provided, which have excellent control effects on different types of nematodes such as pine wood nematode and second-instar root-knot nematode. The preparation method and composition are applied to plants to prevent or reduce nematode damage.

Benefits of technology

Piperidine compounds have good control effects on nematodes, are plant-friendly and do not damage plants, making them suitable for agricultural nematode control and they can be used in combination with other insecticides to broaden the insecticidal spectrum.

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Abstract

The present invention belongs to the technical field of pesticides, and specifically relates to a piperidine compound and a preparation method therefor, a composition thereof and the use thereof. The compound is as shown in general formula I, wherein M1, M2, M3, M4, and M5 each independently represents CR or N; X represents O or NR8; Y1, Y2, Y3, and Y4 each independently represents hydrogen, halogen, alkyl, or haloalkyl; Z represents haloalkyl; R1 represents hydrogen, halogen, etc.; R2 independently represents hydrogen, halogen, nitro, cyano, etc.; R independently represents hydrogen, halogen, nitro, etc.; and R8 represents hydrogen, alkyl, or haloalkyl. The compound exhibits an excellent control effect on Bursaphelenchus xylophilus and second-stage juvenile Meloidogyne.
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Citation Information

Patent Citations

  • Pesticidal substituted piperidines

    CN101132695A

  • Substituted pyrimidine, their process of preparation and the use as sectivide and fungicide thereof

    CN1076692A

  • Pyrimidine-containing piperidylamine compound as well as preparation method and application thereof

    CN112745297A

  • Compound with anti-tumor activity and application thereof

    CN115340528A

  • Substituted piperidines, processes for their preparation and their use as pesticides and fungicides

    US6300333B1