Title:
PRODUCTION METHOD OF PERFLUOROALKADIENE COMPOUND
Document Type and Number:
Japanese Patent JP2023021141
Kind Code:
A
Abstract:
To provide a method capable of obtaining a perfluoroalkandiene compound in a high yield while reducing the generation amount of impurities which are difficult to separate.SOLUTION: The production method is a method for producing a perfluoroalkandiene compound represented by the general formula (1): CF2=CF-(CF2)n-4-CF=CF2 (1) [in the formula, n represents an integer of 4 to 20.] and comprises a reaction step of reacting a compound represented by the general formula (2): CF2X1-CFX2-(CF2)n-4-CF2-CF2X3 (2) [in the formula, n is the same as defined above; X1, X2 and X3 are the same or different, X1 and X2 represent a halogen atom, and X3 represents a chlorine atom, a bromine atom or an iodine atom, provided that both X1 and X2 are not fluorine atoms] in the presence of a nitrogen-containing compound and zinc or a zinc alloy in an organic solvent in which the reaction step includes a mixing step of sequentially mixing a solution including zinc or a zinc alloy and an organic solvent, a nitrogen-containing compound and the compound represented by the general formula (2).SELECTED DRAWING: None
Inventors:
Tomoaki Eto
Atsushi Maruo
Katsuya Nakai
Shohei Tachikawa
Atsushi Maruo
Katsuya Nakai
Shohei Tachikawa
Application Number:
JP2022186425A
Publication Date:
February 09, 2023
Filing Date:
November 22, 2022
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
C07C17/23; C07C21/19; C09K3/00; C09K5/04
Attorney, Agent or Firm:
Saegusa International Patent Office
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