Mupirocin Purification via Adsorption and Ion Exchange
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Solution Overview
Problem
Current methods for purifying mupirocin calcium involve high volumes of hazardous agents and lack efficiency in converting mupirocin to its calcium salt, necessitating a novel process that combines purification and conversion while being commercially and environmentally attractive.
Innovation Solution
A method involving the adsorption of mupirocin or its soluble salt to a solid support, followed by exposure to a calcium-containing solution, washing out impurities, and selective elution of purified mupirocin calcium, which achieves a complete salt swap and high purification efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional purification methods using multiple extraction steps and hazardous solvents are used, then purification can be achieved, but the process becomes lengthy and environmentally harmful
Solution Approach 1:
The patent combines purification and conversion into a single integrated process. The adsorbent material simultaneously performs purification by removing impurities and conversion by facilitating the transformation of mupirocin to mupirocin calcium, eliminating the need for separate purification and conversion steps.
Solution Approach 2:
The adsorbent material serves multiple functions: it acts as a purification agent to remove impurities from mupirocin, serves as a support for the conversion reaction, and facilitates the formation of mupirocin calcium. This multi-functional approach reduces process complexity and time.
2Manufacturing precision
If conventional methods using high volumes of hazardous solvents are employed, then purification can be achieved, but environmental harm and safety risks increase
Solution Approach 1:
The patent changes the fundamental parameters of the purification process by replacing hazardous organic solvents with an aqueous-based adsorption system. The use of water-soluble salts and aqueous solutions eliminates the need for volatile organic compounds, reducing environmental impact and safety risks.
Solution Approach 2:
The patent employs inexpensive, non-hazardous materials such as common salts (sodium chloride, potassium chloride) and water-soluble polymers as adsorbents. These materials are environmentally benign, easily disposed of, and do not require special handling or disposal procedures associated with hazardous solvents.
3Manufacturing precision
If multiple separate steps for purification and conversion are used, then each step can be optimized, but the overall process complexity and time increase
Solution Approach 1:
The patent merges purification and conversion operations into a single integrated process step. The adsorbent material simultaneously removes impurities and facilitates the conversion of mupirocin to mupirocin calcium, reducing the number of process steps and associated equipment while maintaining product purity.
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 method provides high purification efficiency, reducing the use of hazardous agents and achieving a shorter production process, resulting in a more attractive and efficient production of purified mupirocin calcium.
Implementation Method 1
adsorbing a cell-free preparation of mupirocin (soluble salt or acid, preferably in the form of a soluble salt e.g. pseudomonate) to a solid support
Implementation Method 2
exposing the bound mupirocin to a calcium-containing solution... achieves a complete salt swap to calcium
Implementation Method 3
washing impurities from the solid support
Implementation Method 4
eluting purified mupirocin calcium from the solid support
Data Source
AI summary
The present invention relates to methods for the preparation and purification of mupirocin calcium. The process comprises adsorbing mupirocin to a hydrophobic adsorbent resin, exposing the bound mupirocin to a calcium-containing solution, washing impurities from the resin and eluting purified mupirocin calcium from the resin.