Substituted 1,2,4-triazolo[4,3-a]pyridine derivative and preparation method, herbicidal composition and application thereof
US12240843B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2020 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Sep 15, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01P13/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.