The present invention relates to a method for producing a compound represented by formula (2):
[CF
3
(CF
2
)
n
][CF
3
(CF
2
)
m
]C(OH)
2
(2)
wherein n and m independently represent 0 to 10, the method comprising reacting with a halogen or a halogen-containing oxidizing agent a salt of a compound represented by formula (1):
[CF
3
(CF
2
)
n
][CF
3
(CF
2
)
m
]C(OH)COOH (1)
wherein n and m independently represent 0 to 10.
本发明涉及一种制备式(2)所表示的化合物的方法:[CF3(
CF2)n] [CF3(
CF2)m] C(OH)2(2),其中n和m分别独立地表示0至10,所述方法包括与卤素或含卤氧化剂反应化合物盐的步骤,所述化合物盐表示为式(1):[CF3(
CF2)n] [CF3(
CF2)m] C(OH)COOH(1),其中n和m分别独立地表示0至10。