660-12-8Relevant academic research and scientific papers
N-oxide of perfluorobutylsulfonyl(3-dimethylaminopropyl)amine as well as preparation method and application thereof
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Paragraph 0022; 0024; 0028; 0032, (2021/01/12)
The invention discloses an N-oxide of perfluorobutylsulfonyl(3-dimethylaminopropyl)amine as well as a preparation method and application of the N-oxide, and belongs to the field of fluorine-containingfine chemicals. According to the invention, the perfluorobutylsulfonyl(3-dimethylaminopropyl)amine is produced by a one-pot method and serves as a aqueous film-forming foam extinguishing agent, wherein the product is prepared by reacting perfluorobutyl sulfonyl fluoride, alkyl diamine, a solvent, an acid-binding agent and an oxidant, and filtering the components to remove byproduct hydrochlorideand a distillation solvent, thereby obtaining the product. The method has the advantages of few production steps, shortened reaction time, low cost, reduced three wastes, no pollution, high yield andgood quality.
Method for efficiently preparing sulfuryl fluorides compound by catalytic fluorination
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Paragraph 0083; 0084; 0085; 0086, (2019/05/22)
The invention belongs to the technical field of the chemical synthesis, and particularly relates to a method for efficiently preparing a sulfuryl fluorides compound by catalytic fluorination. The provided method for efficiently preparing the sulfuryl fluorides compound by the catalytic fluorination comprises the following steps: enabling a sulfonyl chlorides compound to react with a hydroge fluoride under the action of a catalyst of a sulfonic acids derivative, to obtain the sulfuryl fluorides compound. A novel catalytic technology is provided, and the method has extensive substrate applicability. Efficient catalytic efficiency and yield are expressed.
Process for preparing sulfonic acid fluorides
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, (2008/06/13)
Sulfonic acid fluorides are prepared by reacting sulfonic acid halides with inorganic fluorides in an organic-aqueous phase. The reaction is carried out in the presence of catalytic amounts of an amine or an onium salt.
