Preparation of propenone using copper sulfate or its hydrate
By using copper(II) sulfate and its hydrate as catalysts, propadienone can be prepared under strong acid-free conditions, which solves the safety risks and corrosion problems in the prior art and achieves the effect of efficient preparation of propadienone.
CN114907200BActive Publication Date: 2026-05-26DSM IP ASSETS BV
Patent Information
- Application Number
- CN202210117494.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2021-02-08
- Filing Date
- 2022-02-08
- Publication Date
- 2026-05-26
- Estimated Expiration
- 2042-02-08
AI Technical Summary
Technical Problem
Existing technologies use strong acids as catalysts in the preparation of propadienone, which poses safety risks and corrosion problems. There is a need to develop a method for the high-yield preparation of propadienone under conditions without strong acids.
Method used
Copper(II) sulfate and its hydrate were used as catalysts to prepare propadienone by reacting tertiary propargyl alcohol with enol ether in the presence of anhydrous or organic solvent.
Benefits of technology
A method for preparing propadienone with high conversion rate, high yield and high selectivity under strong acid-free conditions was achieved, avoiding safety risks and corrosion problems.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN114907200B_ABST
Abstract
This invention relates to a method for preparing propadienone using a specific catalyst, which is CuSO4 or CuSO4 hydrate. The reaction provides propadienone in high yield and with high selectivity.
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Citation Information
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