Copper I Sulfide Catalytic Substance for Azide Alkyne Cycloaddition
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Solution Overview
Problem
Current methods for forming catalytically active substances using copper (I) sulfide minerals are complex and require additional reagents, such as ligand coordination and reducing agents, which can lead to undesirable side reactions and increased costs.
Innovation Solution
A method involving copper (I) sulfide minerals, alkyne functionalized molecules, and azide functionalized molecules to form a catalytically active substance without ligand coordination and reducing agents, using a graft mix that includes a stoichiometric excess of copper (I) sulfide mineral, allowing for the formation of a triazole through a copper (I) catalyzed azide-alkyne cycloaddition reaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional methods using copper (I) sulfide minerals are used to form catalytically active substances, then catalytic activity can be achieved, but the process becomes complex and requires additional reagents such as ligand coordination and reducing agents
Solution Approach 1:
The patent extracts and eliminates the need for ligand coordination reagents and reducing agents from the traditional catalytic system. By using copper (I) sulfide mineral particles with alkyne functionalized molecules directly bound to the surface, the invention removes unnecessary components while maintaining catalytic activity for azide-alkyne cycloaddition reactions.
Solution Approach 2:
The copper (I) sulfide mineral particles serve their own catalytic function without requiring external ligand coordination or reducing agents. The alkyne functionalized molecules bound to the particle surface enable the mineral to perform catalysis autonomously, simplifying the overall process while maintaining reliability.
2Reliability
If traditional methods with multiple reagents are used, then catalytic function can be achieved, but undesirable side reactions occur and costs increase
Solution Approach 1:
The invention removes ligand coordination reagents and reducing agents that cause undesirable side reactions. By using a simplified system of copper (I) sulfide mineral particles with surface-bound alkyne functionalized molecules, the patent eliminates harmful side reactions while maintaining the desired catalytic function for azide-alkyne cycloaddition.
3Ease of manufacture
If copper (I) sulfide mineral particles with alkyne functionalized molecules are used, then the process is simplified and side reactions are avoided, but the formation of catalytically active substance requires specific conditions
Solution Approach 1:
The patent optimizes reaction parameters including temperature (maintained between 0°C and 100°C), pH (maintained between 4 and 12), and stoichiometric ratios (using excess copper (I) sulfide mineral) to enable the simplified process to work under broad conditions while maintaining ease of manufacture.
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
This approach simplifies the process, avoids unwanted side reactions, and enables efficient coupling of alkyne and azide functional groups, facilitating the removal of unreacted copper (I) sulfide mineral through centrifugation or filtering, resulting in a stable and active catalytically active substance.
Implementation Method 1
reacting an alkyne functionalized molecule with an azide functionalized molecule in the presence of a copper (I) sulfide mineral
Implementation Method 2
a coordinate bond binds the alkyne functionalized molecule to the surface of the copper (I) sulfide mineral particle
Data Source
AI summary
A catalytically active substance includes a copper (I) sulfide mineral particle, and an alkyne functionalized molecule bound to a surface of the copper (I) sulfide mineral particle. In an example method, a copper (I) sulfide mineral is reacted with an alkyne functionalized molecule to form a catalytically active substance. The catalytically active substance is reacted with an azide functionalized molecule to couple the catalytically active substance with the azide functionalized molecule.