Ionic Liquid Catalyst for Cost-Effective Alkylation
Solution Overview
Problem
Existing ionic liquid catalysts are less effective and expensive for alkylation reactions, necessitating a cost-effective and efficient ionic liquid compound for catalyzing Friedel-Crafts reactions such as alkylation, acylation, and Diels-Alder reactions.
Innovation Solution
Development of an ionic liquid compound represented by Formula (I), where NR1R2R3 is an amine and M1 or M2 is a metal selected from Al, Fe, Zn, etc., with X or Y being halogen, nitrate, or sulfate, prepared through an ionic salt complex precursor by mixing an amine and metal salts, allowing for use as a catalyst and solvent in reactions like alkylation, acylation, and Diels-Alder reactions, with the option for recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If existing ionic liquid catalysts are used for alkylation reactions, then catalytic activity is achieved, but the cost is high and effectiveness is low
Solution Approach 1:
The patent modifies the chemical composition parameters of ionic liquids by incorporating specific metal halides (AlCl3, FeCl3, ZnCl2, etc.) with ammonium or phosphonium halides to create catalysts with optimized catalytic activity and cost-effectiveness for Friedel-Crafts alkylation reactions
Solution Approach 2:
The patent creates composite ionic liquid catalysts by combining metal halides with ammonium or phosphonium halides in specific ratios, producing a composite material that exhibits enhanced catalytic effectiveness while maintaining cost-efficiency for alkylation reactions
2Productivity
If traditional HF catalyst is used for alkylation, then high reaction efficiency is achieved, but safety hazards and environmental concerns increase
Solution Approach 1:
The patent replaces hazardous HF catalyst with safer ionic liquid catalysts that can be used in controlled amounts and disposed of or regenerated without significant environmental harm, maintaining reaction efficiency while eliminating safety hazards
Solution Approach 2:
The patent introduces ionic liquids as intermediary catalysts that provide the necessary catalytic function for Friedel-Crafts alkylation without the harmful properties of HF, acting as a safe mediator between reactants while maintaining productivity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The ionic liquid compound effectively catalyzes alkylation and other reactions, offering a cost-effective and recyclable solution for Friedel-Crafts reactions, enhancing reaction efficiency and reducing operational costs.
Implementation Method 1
The ionic liquid compound effectively catalyzes alkylation and other reactions, offering a cost-effective and recyclable solution for Friedel-Crafts reactions
Data Source
AI summary
The present disclosure provides an ionic liquid compound of Formula (I) and its application in reactions such as alkylation, arylation, acylation, diels alder and oligomerization,The present disclosure also provides a process for preparing the ionic liquid compound of Formula (I) which involves preparing an ionic salt complex represented by Formula [(NR1R2R3)iM1]n+[Xj]nā by mixing an amine represented by Formula NR1R2R3 and a metal salt represented by formula M1Xj; and mixing the ionic salt complex and a metal salt represented by formula M2Yk to obtain the ionic liquid compound.