N-Functionalized Alkoxy Pyrazoles for Low-Volatility Nitrification Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing nitrification inhibitors exhibit sub-optimal performance in reducing nitrification, have high volatility, and pose environmental risks, necessitating the development of more effective and environmentally safe alternatives to manage nitrogen fertilizer use efficiently.
Innovation Solution
The use of N-functionalized alkoxy pyrazole compounds, which are designed to inhibit nitrification with reduced volatility and toxicity, formulated into agrochemical mixtures or applied in methods that include treating plants, soil, or fertilizers to minimize nitrogen loss and pollution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing nitrification inhibitors are used, then nitrification is reduced, but volatility is high and environmental pollution occurs
Solution Approach 1:
The patent modifies the chemical structure of pyrazole compounds by introducing N-functionalization with specific groups (amino, hydroxyl, carboxyl, or their derivatives) and substituting hydrogen atoms with alkyl, haloalkyl, alkenyl, or alkynyl groups. These parameter changes in molecular structure reduce volatility while maintaining nitrification inhibition effectiveness, thereby resolving the contradiction between reliability and harmful factors.
Solution Approach 2:
The invention creates composite chemical structures by combining pyrazole core with multiple functional groups and substituents. This composite approach allows the molecule to simultaneously achieve nitrification inhibition function while reducing volatility through the combined effects of different functional groups, thus resolving the technical contradiction.
2Productivity
If nitrogen fertilizer application is increased to meet food production demands, then food production increases, but nitrogen loss and environmental pollution increase
Solution Approach 1:
The patent applies nitrification inhibitors to soil or fertilizer before nitrogen fertilizer application. This preliminary action prevents the conversion of ammonium to nitrate, thereby reducing nitrogen loss through leaching and volatilization. By preventing nitrogen loss in advance, more nitrogen remains available for plant uptake, supporting increased food production without proportionally increasing fertilizer application and associated环境污染.
3Reliability
If conventional nitrification inhibitors are used, then some nitrification reduction is achieved, but performance is sub-optimal
Solution Approach 1:
The patent optimizes the chemical parameters of pyrazole compounds by systematically varying the N-functional groups and substituents at positions 3, 4, and 5 of the pyrazole ring. This parameter optimization enhances the inhibitors' effectiveness in blocking ammonia monooxygenase activity, achieving superior nitrification inhibition compared to conventional inhibitors, thereby improving both reliability and productivity.
Data Source
AI summary
The present invention relates to the use of novel nitrification inhibitors of formula (I), which are N-functionalized alkoxy pyrazole compounds. Moreover, the invention relates to the use of compounds of formula (I) as nitrification inhibitors, i.e. for reducing nitrification, as well as agrochemical mixtures and compositions comprising the nitrification inhibitors of formula (I).