Thioamide Reaction for Mercapto Synthesis Without Nitrogen Impurities
Solution Overview
Problem
Existing methods for producing organic mercapto compounds using thiourea often result in nitrogen-containing impurities, complicating the process and requiring specialized equipment for waste treatment.
Innovation Solution
A method involving a reaction between an alcohol compound and a thioamide compound under acidic conditions to produce an organic mercapto compound, suppressing the formation of by-products and eliminating nitrogen-containing impurities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If thiourea is used as a thiating agent to produce organic mercapto compound, then the production method is well-established and widely used, but nitrogen-containing impurities are generated requiring special waste treatment equipment
Solution Approach 1:
The invention extracts and eliminates the nitrogen-containing impurity source by replacing thiourea with a sulfur compound that does not contain nitrogen in the molecular structure, thereby removing the need for specialized waste treatment equipment while maintaining the thiating function
Solution Approach 2:
The invention changes the chemical composition parameter of the thiating agent from nitrogen-containing (thiourea) to nitrogen-free (sulfur compound), fundamentally altering the waste stream characteristics and eliminating the need for complex waste treatment systems
2Adaptability or versatility
If thiourea is used as a thiating agent, then the reaction pathway is well-known, but the process becomes complicated due to nitrogen-containing impurities
Solution Approach 1:
The invention removes the problematic nitrogen-containing byproducts from the reaction system by substituting the thiating agent, thereby simplifying the overall process while retaining the effectiveness of the thiating reaction
3Productivity
If conventional thiating methods are used, then organic mercapto compound can be produced, but by-products are generated reducing production efficiency
Solution Approach 1:
The invention converts the harmful by-product generation into a benefit by selecting a thiating agent that produces no nitrogen-containing impurities, thereby improving production efficiency and eliminating substance loss to waste treatment
Solution Approach 2:
By changing the chemical nature of the thiating agent from nitrogen-containing to nitrogen-free, the invention fundamentally alters the reaction outcomes to eliminate by-product formation and improve overall 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
This approach simplifies the production process, reduces the need for specialized equipment, and effectively minimizes the generation of unwanted by-products, resulting in a more efficient and cost-effective method for producing organic mercapto compounds.
Implementation Method 1
reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in which an organic group is bonded to at least one bonding hand of a thioamide group, under acidic conditions
Data Source
AI summary
A method for producing an organic mercapto compound or an intermediate thereof according to the present invention has a reaction step of reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in which an organic group is bonded to at least one bonding hand of a thioamide group, under acidic conditions.