Patent ID: 11945773
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A method for producing a compound represented by formula (1):, , wherein
R1 is a chlorine atom, a bromine atom, an iodine atom, or SR, wherein R is a hydrogen atom or a hydrocarbon group,
R2 and R3 are hydrogen atoms,
X is an oxygen atom,
R4 and R5 are fluorine atoms,
R6 is a C1-6 alkyl group, a haloalkyl group, or an aryl group;, the method comprising, step A of reacting a compound represented by formula (2):, , wherein
R2 to R5 are as defined above, with a compound represented by formula (3):

M(R1)n  (3),, wherein
M is cation, n is an integer corresponding to the valence of M, and R1 is as defined above, and a compound represented by formula (4):

R6—X—H  (4),, wherein
R6 and X are as defined above;, step B of separating, by filtration, a compound represented by formula (5):

MFn  (5),, wherein, M and n are as defined above,, from the a mixture obtained by the above reaction; and, step C of performing a liquid separation treatment on a filtrate obtained by the filtration.