Pyridine-Based Herbicidal Compounds for Improved Weed Control
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Solution Overview
Problem
Existing herbicides, such as those disclosed in WO 2002/42275 and U.S. Pat. No. 6,010,980, do not effectively address the need for herbicidally active compounds with improved efficacy against undesirable plant growth in crops.
Innovation Solution
Development of novel herbicidal compounds of formula (I) with specific substituent combinations, including various alkyl, haloalkyl, alkoxy, and heteroatom-containing groups, which exhibit enhanced herbicidal activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing herbicides (WO 2002/42275 and U.S. Pat. No. 6,010,980) are used, then herbicidal activity is achieved, but efficacy against undesirable plant growth is insufficient
Solution Approach 1:
The patent applies parameter changes by systematically varying the substituent groups R1-R19 on the pyridine core structure, exploring different combinations of alkyl, haloalkyl, alkoxy, and heteroatom-containing groups to optimize herbicidal efficacy while maintaining reliable herbicidal activity
Solution Approach 2:
The invention creates composite molecular structures by combining the pyridine core with diverse substituent groups (alkyl, haloalkyl, alkoxy, heteroatom-containing groups) to generate compounds with enhanced and versatile herbicidal properties that overcome the limitations of existing single-structure herbicides
Data Source
AI summary
Compounds of the formula (I) wherein the substituents are as defined in claim 1, useful as a pesticides, especially as herbicides.