A kind of preparation method of perfluorohexanone
A catalyst and epoxy technology, applied in the preparation of heterocyclic compounds, organic chemistry, etc., can solve problems such as easy deactivation, unstable reaction yield, and low conversion rate of formula
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Embodiment 1
[0028] Add 400ml of acetonitrile and 4g of metformin into a 1000mL closed reaction kettle equipped with mechanical stirring, control the reaction temperature at 45°C, add 300g of perfluoro-2,3-epoxy-2-methylpentane, and react for a total of 4 hours. After the reaction, the molar yield of perfluorohexanone was 96.5% through separation and analysis.
Embodiment 2
[0030] Add 400ml of acetonitrile and 5g of conjugated tetramethylguanidine to a 1000mL closed reaction kettle equipped with mechanical stirring, control the reaction temperature at 40°C, add 300g of perfluoro-2,3-epoxy-2-methylpentane, The total reaction time was 3 hours. After the reaction, the molar yield of perfluorohexanone was 95.5% through separation and analysis.
Embodiment 3
[0032] Add 400ml of acetonitrile and 5g of bicyclic guanidine into a 1000mL closed reaction kettle equipped with mechanical stirring, control the reaction temperature at 50°C, add 300g of perfluoro-2,3-epoxy-2-methylpentane, and react for a total of 3 hours After the reaction, the molar yield of perfluorohexanone was 94.8% through separation and analysis.
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