Tetraaryl Borate Production via Segmented Magnesium Intermediate
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Solution Overview
Problem
The production methods for high purity magnesium di[tetrakis(pentafluorophenyl) borate] are inefficient, and alkali metal salts of tetrakis(pentafluorophenyl) borate lack thermal stability, making them unsuitable for industrial use due to safety concerns.
Innovation Solution
A method involving the reaction of a tetraaryl borate compound with an amine compound to produce a tetraaryl borate compound with high thermal stability, suitable for industrial use, using specific alkyl and aryl groups and an organic solvent, achieving high purity and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If method (i) is used to produce di(tallow-alkyl)methylammonium tetrakis(pentafluorophenyl) borate, then the product can be obtained, but the purity is low (88.6 to 89.99%) and high purity production is difficult
Solution Approach 1:
The production process is divided into two separate stages: first producing high purity magnesium di[tetrakis(pentafluorophenyl) borate] intermediate, then reacting it with amine compound in a second stage. This segmentation allows each stage to be optimized independently, achieving high purity final product.
Solution Approach 2:
The patent performs preliminary purification of magnesium di[tetrakis(pentafluorophenyl) borate] before the ammonium exchange reaction. This preliminary action ensures that the intermediate is of high purity, which directly leads to high purity final product and eliminates the need for complex purification steps later.
2Reliability
If alkali metal salt of tetrakis(pentafluorophenyl) borate is used, then the production process can proceed, but the thermal stability is insufficient and safe handling is compromised
Solution Approach 1:
The patent changes the cation parameter from alkali metal to magnesium, which fundamentally alters the thermal stability property. Magnesium di[tetrakis(pentafluorophenyl) borate] exhibits superior thermal stability compared to alkali metal salts, eliminating safety risks associated with thermal decomposition.
3Manufacturing precision
If conventional production methods are used, then production can proceed, but high purity tetraaryl borate compound cannot be obtained
Solution Approach 1:
The production is segmented into distinct stages with the first stage dedicated to producing high purity magnesium intermediate, and the second stage for the ammonium exchange reaction. This segmentation enables high purity production without sacrificing overall productivity.
Solution Approach 2:
Magnesium di[tetrakis(pentafluorophenyl) borate] serves as a high purity intermediate compound that facilitates the production of high purity tetraaryl borate compound. This intermediary substance enables both high purity and efficient production by serving as a stable, pure starting material for the final reaction.
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 method enables the production of high purity tetraaryl borate compounds with enhanced thermal stability, suitable for industrial applications, overcoming the limitations of existing methods by ensuring safe handling and high yield.
Implementation Method 1
The tetraaryl borate compound (1) and the amine compound (4) are reacted to produce the tetraaryl borate compound (5)
Data Source
AI summary
The present invention relates to a novel tetraaryl borate compound and a method for producing the same, and a method for producing a tetraaryl borate compound using the tetraaryl borate compound as an intermediate. According to the present invention, it is possible to provide a tetraaryl borate compound which has high thermal stability and can be safely handled industrially and a method for producing the same. It is also possible to provide a method for producing a tetraaryl borate compound used as a co-catalyst for a polymerization reaction using a metallocene catalyst by further reacting the tetraaryl borate compound with an amine compound.