Synthesis method of N, N-dimethyl trifluoromethanesulfonamide
A technology of dimethyltrifluoromethanesulfonamide and trifluoromethanesulfonyl fluoride, which is applied in the field of battery electrolyte additives, can solve the problems of harsh conditions, poor purity, and low reaction yield, and achieve a mild reaction process, Increased yield and simple reaction process
Pending Publication Date: 2021-12-17
SHIJIAZHUANG SAN TAI CHEM CO LTD
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Abstract
The invention discloses a synthesis method of N, N-dimethyl trifluoromethanesulfonamide, and relates to the technical field of battery electrolyte additives, and the synthesis method comprises the following steps: taking trifluoromethanesulfonyl fluoride and dimethylamine, and carrying out amidation reaction under the condition of 0.1-0.5 MPa to obtain the N, N-dimethyl trifluoromethanesulfonamide. The preparation method comprises the following steps: taking trifluoromethanesulfonyl fluoride and dimethylamine as raw materials, and directly carrying out amidation reaction; the reaction process is simple, raw materials used in the reaction are easy to obtain, the reaction process is milder and safer compared with the prior art, the product yield and product purity maximization in the production process are guaranteed through control over reaction conditions in all stages, the product yield is further increased by reasonably controlling the use amount of the reaction raw materials and the reaction process, the yield reaches 88.29% or above, and the purity reaches 99.5% or above.
Application Domain
Sulfonic acid amide preparation
Technology Topic
Sulfonyl fluorideSulfonilamide +7
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