Single-Step Fluorolactone Production Using Fluorine Compounds
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Solution Overview
Problem
Existing methods for producing fluorolactone compounds are inefficient and require hazardous materials, leading to complex purification processes.
Innovation Solution
A single-step method involving the reaction of specific compounds in the presence of fluorine compounds and an organic solvent, eliminating the need for hazardous materials and simplifying purification by utilizing solvent separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If existing methods are used to produce fluorolactone compounds, then production can be achieved, but the process requires hazardous materials and complex purification procedures
Solution Approach 1:
The patent changes the chemical parameters by using fluorine compounds (such as fluorinated solvents like fluoroalcohols or fluorinated esters) as reaction media and reagents, which fundamentally alters the reaction pathway and by-product profile, eliminating the need for hazardous materials and complex purification steps
Solution Approach 2:
The fluorine compound acts as an intermediary substance that facilitates the reaction between the starting materials and fluorolactone product while being easily separable, serving as both a reaction medium and a benign by-product that simplifies the overall manufacturing process
2Productivity
If multi-step methods are used for fluorolactone production, then reaction control can be achieved, but production efficiency decreases and time consumption increases
Solution Approach 1:
The patent merges multiple reaction steps into a single step by using fluorine compounds that enable direct transformation of starting materials to fluorolactone products, eliminating intermediate isolation and purification steps, thereby dramatically improving productivity and reducing production time
3Manufacturing precision
If conventional purification methods are used, then product purity can be achieved, but the process becomes complex and time-consuming
Solution Approach 1:
The patent converts the potential harm of by-products into a benefit by designing reactions that produce benign, easily separable substances (such as fluorinated alcohols or esters) that can be removed through simple distillation or phase separation, achieving high product purity without complex purification equipment or procedures
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 efficiently produces fluorolactone compounds with reduced by-products, simplifying the purification process and avoiding the use of dangerous chemicals.
Implementation Method 1
reacting a compound represented by formula (2) with at least one compound (3) selected from the group consisting of: a compound represented by formula (3-1)... and a compound represented by formula (3-2)... in the presence of at least one fluorine compound (4)...
Implementation Method 2
simplifying the purification process by utilizing solvent separation
Data Source
AI summary
The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1):wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group,the method comprising step A of reacting a compound represented by formula (2):wherein R1 is as defined above, with a compound (3) represented by formula (3-1) or the like:wherein R31, R32, and R33 are the same or different and each is a hydrogen atom or a C1-10 alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents,in the presence of a fluorine compound (4) represented by formula (4-1) or the like:MHnFm (4-1)wherein M is a metal atom, n is 0 or 1, and the sum of the valence number of M and n is m, andan organic solvent, provided that the compound represented by formula (3) is excluded from the organic solvent.