Electrosynthesis of tetrabenzylthiuram disulfide via flow reactors

Zheng, Siyuan; Wang, Kai

doi:10.1016/j.ces.2022.117717

Cited by 4 publications

(1 citation statement)

References 29 publications

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“…It was selective but not applicable for the scaling up. Electrochemical dimerization of preprepared dithiocarbamates into thiuram disulfides was also proposed. , Recently, electrochemical synthesis of carbamo(dithioperoxo)thioates synthesized in an undivided electrochemical cell was proposed . Its conditions were applied for the electrosynthesis of tetraethylthiuram disulfide, but its yield was quite moderate.…”

Section: Introductionmentioning

confidence: 99%

Effective Electrochemical Synthesis of an Important Fungicide Tetramethylthiuram Disulfide and Its Bioactive Analogues

Mulina,

Bokova,

Doronin

et al. 2023

ACS Agric. Sci. Technol.

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Tetramethylthiuram disulfide (TMTD, thiram) is one of the most important fungicides and is widely used in agriculture for seed treatment and crop protection. TMTD is produced by a number of plants. Its annual sales are estimated at tens of millions of US dollars. Traditional chemical synthesis of thiram is accompanied by the formation of a significant amount of waste, including inorganic salts, thioacids, polysulfides, etc. Herein, we report an advanced method of TMTD and its structural analogues production, which is based on the usage of electric current as a key participant. Such an electrochemical approach avoids application of the chemical oxidant required for previous processes and can be efficiently scaled up. All of these characteristics make the developed synthetic method quite promising both economically and ecologically.

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Section: Introductionmentioning

confidence: 99%

Effective Electrochemical Synthesis of an Important Fungicide Tetramethylthiuram Disulfide and Its Bioactive Analogues

Mulina,

Bokova,

Doronin

et al. 2023

ACS Agric. Sci. Technol.

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Influence of Complex Multiphasic Flow on the Thiuram Electrosynthesis in a Microchannel Reactor

Zheng,

Wang

2024

ChemSusChem

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As an important sustainable method for chemical synthesis, organic electrosynthesis experienced a renaissance in recent years for its excellent atom economy. Although microchannel reactors have been proposed to advanced electrosynthesis devices to obtain low energy cost and high reaction performance, the complex multiphasic flow in the electrochemical microchannels are very less reported and the effects of flow condition on the electrosynthesis reaction are less reported. Taking the electrosynthesis of tetraethyl thiuram disulfide (TETD) as a typical case, we developed a visualized electrochemical microchannel reactor equipped with fluorine‐doped tin oxide (FTO) loaded glass electrode to investigate the gas‐liquid‐liquid triple phase flow pattern and the main factors influenced the response current at certain applied cell voltage. The gas‐liquid‐liquid hybrid flow with low gas hold‐up and high liquid flow rate was found crucial for preventing coverage of TETD on the electrode, which provided 23.1% low current attenuation ratio at 3.0 V cell voltage. The research not only exhibited the complex evolution mechanism of the response current, but also showed the importance of flow condition control for balancing the work efficiency and energy consumption of electrosynthesis process.

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Optimal design and sizing of HRES-powered electrochemical microsynthesis system

Wen,

Yuan

2024

Computer Aided Chemical Engineering

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Electrosynthesis of tetrabenzylthiuram disulfide via flow reactors

Cited by 4 publications

References 29 publications

Effective Electrochemical Synthesis of an Important Fungicide Tetramethylthiuram Disulfide and Its Bioactive Analogues

Effective Electrochemical Synthesis of an Important Fungicide Tetramethylthiuram Disulfide and Its Bioactive Analogues

Influence of Complex Multiphasic Flow on the Thiuram Electrosynthesis in a Microchannel Reactor

Optimal design and sizing of HRES-powered electrochemical microsynthesis system

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