It is an object of the present invention to solve difficulty in production and to provide a process to obtain fluorinated sulfonyl fluoride compound having various molecular structures efficiently at a low cost.
That is, the present invention provides a process which comprises reacting (FSO
2
—)
n
R
A
(-E-R
B
)
m
(1F) with fluorine in a liquid phase to form (FSO
2
—)
n
R
AF
(-E
F
-R
BF
)
m
(2), and decomposing this compound to obtain (FSO
2
—)
n
R
AF
(-E
F1
)
m
(3), provided that R
A
is a (n+m)valent organic group having at least two carbon atoms, R
AF
is a group having R
A
fluorinated, or the like, each of R
B
and R
BF
is a fluorinated monovalent organic group, or the like, E is —COOCH
2
— or the like, E
F
is —COOCF
2
— or the like, E
Fl
is —COF or the like, n is an integer of at least 2, and m is an integer of at least 1.
本发明的目的在于解决生产难度,并提供一种能够以低成本高效地获得具有不同分子结构的
氟磺酰
氟化合物的过程。即,本发明提供了一种过程,其中将(FSO2—)nRA(-E-RB)m(1F)与液相中的
氟反应,形成(FSO2—)nRAF(-EF-RBF)m(2),并分解该化合物以获得(FSO2—)nRAF(-EF1)m(3),其中RA是具有至少两个碳原子的(n+m)价有机基团,RAF是具有RA
氟化的基团等,RB和RBF的每个都是
氟化的一价有机基团等,E是—COOCH2—或类似的,EF是—COO
CF2—或类似的,EFl是—COF或类似的,n是至少为2的整数,m是至少为1的整数。