678-78-4

Usage

Uses

Used in Chemical Synthesis:
HEXAFLUOROGLUTARYL FLUORIDE is used as a solvent and a reagent for the synthesis of specialty chemicals due to its high stability and low reactivity, which are crucial for the production of a variety of fluorinated compounds.
Used in Electronic Material Manufacturing:
HEXAFLUOROGLUTARYL FLUORIDE is used as a component in the manufacturing of electronic materials, leveraging its unique properties to enhance the performance and reliability of these materials.
Used in the Semiconductor Industry:
HEXAFLUOROGLUTARYL FLUORIDE is used as an etchant and cleaning agent in the semiconductor industry, where its effectiveness in etching and cleaning processes is essential for the production of high-quality semiconductor devices.
Used in Environmentally Friendly Applications:
HEXAFLUOROGLUTARYL FLUORIDE is used in applications that prioritize low environmental impact, with its use being regulated to prevent harmful effects on human health and the environment, reflecting its commitment to sustainable practices in industrial applications.

InChI:InChI=1/C5F8O2/c6-1(14)3(8,9)5(12,13)4(10,11)2(7)15

Upstream product

• 376-73-8 hexafluoroglutaric acid 
• 678-77-3 hexafluoropentanedioyl dichloride 
• 140173-04-2 2,2,3,3-Tetrafluoro-3-(2,3,3-trifluoro-oxiranyl)-propionyl fluoride 
• 108-55-4 glutaric anhydride, 
• 21307-96-0 methyl 2-methylsuccinate 
• 355-29-3 1-chloro-5H-decafluoro-pentane 
• 559-40-0 octaperfluorocyclopentene 

Downstream Products

• 507-68-6 hexafluoroglutaramide 
• 422-91-3 1,1,2,2,3,3-hexafluoro-1,3-diiodopropane 

Relevant academic research and scientific papers

Preparation method of Z-1, 3, 3, 3-tetrafluoropropene

The invention discloses a preparation method of Z-1, 3, 3, 3-tetrafluoropropene, which comprises the following steps: by taking 1, 3, 3, 3-tetrafluoropropyne or/and an isomer 1, 1, 3, 3-tetrafluoropropadiene thereof as a raw material, carrying out gas-phase selective hydrogenation in the presence of a hydrogenation catalyst to obtain the Z-1, 3, 3, 3-tetrafluoropropene. The method provided by the invention is mainly used for producing Z-1, 3, 3, 3-tetrafluoropropene in a high-efficiency and gas-phase continuous circulation manner.

Preparation method of fluorine-containing binary acyl fluoride

The invention discloses a preparation method of fluorine-containing binary acyl fluoride. Fluorine-containing dicarboxylic acid as a raw material is subjected to fluorination with a fluorination reagent under the action of a solvent and a catalyst to obtain the fluorine-containing binary acyl fluoride. During actual production, the fluorine-containing dicarboxylic acid is directly fluorinated intocorresponding fluorine-containing diacyl fluoride under the action of the organic solvent and the Lewis acid catalyst, and the organic solvent and the specific catalyst are matched with other conditions, so that from the fluorine-containing dicarboxylic acid can be effectively promoted.

Method for preparing fluorine-containing binary acyl fluoride from fluorine-containing cycloolefin

The invention discloses a method for preparing fluorine-containing diacyl fluoride from fluorine-containing cycloolefin, which comprises the following steps: A) oxidizing fluorine-containing cycloolefin serving as a raw material by using an oxidant under the action of a solvent and a catalyst to generate corresponding fluorine-containing dicarboxylic acid; B) under the action of a solvent and a catalyst, subjecting the fluorine-containing dicarboxylic acid prepared in the step A and a fluorination reaction reagent to a fluorination reaction to obtain fluorine-containing diacyl fluoride. The method comprises the following steps: carrying out oxidation reaction on the fluorine-containing cycloolefin to generate corresponding fluorine-containing dicarboxylic acid; directly fluorinating the fluorine-containing dicarboxylic acid into the corresponding fluorine-containing binary acyl fluoride under the action of an organic solvent and a Lewis acid catalyst. The organic solvent and the specific catalyst are adopted, and other conditions are matched, so that the generation of the corresponding acyl fluoride with high efficiency and high yield from the fluorine-containing cycloolefin can beeffectively promoted.

PROCESS FOR PRODUCING FLUORINATED COMPOUND

To provide a process for producing a desired perfluorinated product at a high yield in a fluorination reaction of a partially fluorinated ester. A perfluorinated compound (4) is obtained by fluorinating in a liquid phase a compound (3) (wherein the fluorine content is at least 30 mass %) obtained by reacting a compound (1) and a compound (2), wherein the compound (1) is HOCH2—RA—CH2OH, the compound (2) is X1C(═O)—C(RB)(RC)(RD), RA is a bivalent saturated hydrocarbon group or the like which has no hetero atom such as an etheric oxygen atom, X1 is a halogen atom, and —C(RB)(RC)(RD) is a branched group.

Method for producing fluorinated compound

Provided is a method for producing a desired perfluorinated product with high yield by a fluorination reaction of a partially fluorinated ester. A compound (3), which is produced by reacting a compound (1) with a compound (2) (and which has a fluorine content of 30 mass% or more), is fluorinated in a liquid phase to produce a perfluorinated compound (4), wherein the compound (1) is represented by the formula HOCH2-RA-CH2OH and the compound (2) is represented by the formula X1C(=O)-C(RB)(RC)(RD). RA represents a bivalent saturated hydrocarbon group or the like and does not have a hetero atom such as an ethereal oxygen atom. X1 represents a halogen atom, and -C(RB)(RC)(RD) represents a branched group.

CYCLIC HYDROFLUOROETHER COMPOUNDS AND PROCESSES FOR THEIR PREPARATION AND USE

A hydrofluoroether compound comprises at least one five- or six-membered, perfluorinated heterocyclic ring, each ring comprising four or five ring carbon atoms and one or two catenated heteroatoms selected from divalent ether oxygen atoms and trivalent nitrogen atoms, at least one of the catenated heteroatoms being a divalent ether oxygen atom, and each of the ring carbon atoms adjacent to the divalent ether oxygen atom bearing a fluorochemical group that comprises a tetrafluoroethylidene moiety (—(CF3)CF—) that is directly bonded to the ring carbon atom, the fluorochemical group optionally comprising at least one catenated heteroatom selected from divalent ether oxygen atoms and trivalent nitrogen atoms.

Use of Perfluoroalkylfluorosulfonates for Synthesizing Organofluorine Compounds

The possibility of using fluorosulfation for synthesizing perfluorovinyl and perfluorodivinyl ethers, and also perfluorocarboxylic and perfluorodicarboxylic acids, has been studied.

SYNTHESIS OF OXYGEN-CONTAINING ORGANOFLUORINE COMPOUNDS AND THEIR REACTIONS XI. LIQUID-PHASE OXIDATION OF PERFLUORO-1,5-HEXADIENE BY ATMOSPHERIC OXYGEN

The oxidation of perfluoro-1,5-hexadiene by atmospheric oxygen under UV irradiation gave perfluoro-1,5-hexadiene dioxide, 4,5-epoxyperfluorovaleryl fluoride, and perfluorosuccinyl fluoride.The intermediate oxidation product was 1,2-epoxyperfluoro-5-hexene.The obtained α-oxides undergo both nucleophilic and electrophilic opening of the epoxide ring, giving mono- and bifunctional derivatives.

THE FACILE PREPARATION OF HF FREE POLYFLUORINATED ACYL FLUORIDES

The reaction of polyfluorinated acids with the Ishikawa Reagent (FAR) in the presence of NaF gives 59 - 91 percent isolated yields of HF free polyfluorinated acyl fluorides.The reaction is rapid, safe, easily scaled up, and amenable to a one-pot procedure.