A method for electrochemical synthesis of branched aldehydes from DMF and electron-rich olefins

The method of synthesizing branched aldehydes by DMF electrochemical synthesis solves the problems of high pressure CO gas dependence and complex catalytic system in the existing olefin synthesis of aldehydes. It realizes the conversion of olefins to branched aldehydes at room temperature without external high pressure CO gas, simplifies the reaction system, improves substrate applicability and synthesis efficiency, and achieves a yield of 45%.

CN122189659APending Publication Date: 2026-06-12DALIAN UNIV OF TECH
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DALIAN UNIV OF TECH
Filing Date
2026-04-16
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing methods for synthesizing aldehydes from olefins rely on high-pressure CO gas and complex catalytic systems, which have problems such as high equipment requirements, high operational risks, and insufficient substrate selectivity. Furthermore, the electrochemical hydroformylation method has low Faraday efficiency, significant competitive hydrogen evolution, and a limited substrate range.

Method used

Branched aldehydes were synthesized by electrochemical method using DMF as the reaction solvent and formyl source under conditions without external high-pressure carbon monoxide gas and transition metal catalysts. N,N-dimethylformamide was used as the solvent, tetrabutylammonium iodide was used as the electrolyte, a platinum sheet was used as the cathode and a magnesium sheet was used as the anode. The reaction was carried out by constant current electrolysis, followed by acidification with dilute hydrochloric acid, extraction and column chromatography purification.

Benefits of technology

This method enables the conversion of olefins to branched aldehydes at room temperature without the need for external high-pressure CO gas, simplifying the reaction system, reducing operational risks, improving substrate applicability and synthesis efficiency, and achieving a yield of 45%, demonstrating the advantages of green synthesis.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure SMS_1
    Figure SMS_1
  • Figure SMS_2
    Figure SMS_2
  • Figure SMS_3
    Figure SMS_3
Patent Text Reader

Abstract

The application belongs to the technical field of fine chemical industry and electrochemical organic synthesis, and discloses a method for electrochemically synthesizing branched aldehyde from DMF and electron-rich olefin. The method uses DMF as a solvent and a formyl source, realizes the conversion of electron-rich olefin to branched aldehyde under electrochemical conditions, and synthesizes various branched aldehyde compounds. The application does not need to use high-pressure carbon monoxide gas and transition metal catalysts, the reaction system is simple to build, the operation is relatively safe, the conditions are mild, and the application uses electric energy as a driving force, reduces the use of additional stoichiometric oxidants or reducing agents, and has certain green synthesis advantages. The method has good selectivity for target branched aldehyde, is suitable for some electron-rich olefin substrates, has certain amplification potential, and has application value in the preparation of branched aldehyde compounds and the application development of DMF as a liquid C1 source.
Need to check novelty before this filing date? Find Prior Art