Olefin Oxidation Yield and Selectivity via MXn Additive
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Solution Overview
Problem
Current methods for producing carbonyl compounds are in need of further development to improve efficiency and yield.
Innovation Solution
A method involving the oxidation of an olefin compound using an oxidizing agent in the presence of a non-alcohol organic solvent, water, a metal catalyst, and an additive, specifically selecting from certain groups of solvents, catalysts, and additives to produce a carbonyl compound represented by formula (1).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional oxidation methods are used to produce carbonyl compounds, then the production process can be carried out, but the yield and selectivity are insufficient
Solution Approach 1:
The patent changes the chemical parameters of the oxidation system by introducing a specific additive (MXn) that modifies the reaction pathway. This additive, comprising metals from Groups 1-15 or ammonium with halogen atoms, alters the oxidation mechanism to achieve both high yield (50% or more) and high selectivity (80% or more) simultaneously, resolving the contradiction between productivity and reliability
Solution Approach 2:
The additive MXn acts as an intermediary substance that mediates between the oxidizing agent and the olefin compound. It facilitates the oxidation reaction while controlling the selectivity, enabling the system to achieve both high conversion rates and high product selectivity that conventional methods cannot achieve alone
2Productivity
If conventional oxidation methods are used to produce carbonyl compounds, then the reaction can proceed, but the conversion rate is insufficient
Solution Approach 1:
The patent modifies the reaction parameters by adding MXn compounds with specific stoichiometric ratios (n=1-5). This parameter change enables the oxidation reaction to achieve 50% or more conversion rate while maintaining process feasibility. The additive modifies the reaction kinetics without requiring complex process changes
Solution Approach 2:
The additive MXn serves multiple functions simultaneously: it acts as a catalyst promoter, a selectivity enhancer, and a reaction rate accelerator. This multi-functionality allows the process to achieve high conversion rates while keeping the manufacturing process relatively simple, as a single additive provides multiple benefits
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 enhances the production of carbonyl compounds with improved yield and selectivity, achieving conversion rates and yields of 50% or more and selectivity of 80% or higher.
Implementation Method 1
a metal catalyst
Implementation Method 2
oxidizing an olefin compound represented by formula (2) by an oxidizing agent
Data Source
AI summary
A method for producing a carbonyl compound represented by formula (1):wherein R1 is hydrogen or an organic group; R2 is hydrogen or an organic group; and R3 is hydrogen or an organic group; or two or three of R1, R2, and R3 may be linked to form a ring that may have at least one substituent, the method comprising step A of oxidizing an olefin compound represented by formula (2):wherein symbols are as defined above, by an oxidizing agent in the presence of (a) a non-alcohol organic solvent, (b) water, (c) a metal catalyst, and (d) an additive represented by the formula: MXn, wherein M is an element belonging to any one of Group 1, Group 2, Group 13, Group 14, and Group 15 in the periodic table, or NR4, wherein R is hydrogen or a C1-10 organic group; X is halogen; and n is a number of 1 to 5.