Method for producing a fluorine-containing compound
The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available.
1. A compound selected from the compounds of the following formulae:
CF 3 CF 2 COO(CH 2 ) 4 OCOCF 2 CF 3 (3-12),
CF 3 CF 2 COOCH 2 CH (CH 3 )O(CH 2 ) 4 OCOCF 2 CF 3 (3-13),
CF 3 CF 2 COO(CH 2 ) 2 O(CH 2 ) 2 OCOCF 2 CF 3 (3-14),
CF 3 CF 2 CF 2 OCF(CF 3 )COOCH 2 CH(CH 3 )O(CH 2 ) 5 OCOCF(CF 3 )—OCF 2 CF 2 CF 3 (3-15)
CF 3 CF 2 COO(CH 2 ) 2 O(CH 2 ) 2 OCH(CH 3 )CH 2 OCOCF 2 CF 3 (3-16),
CF 3 CF 2 COOCF 2 CF 2 CF 2 CF 2 OCOCF 2 CF 3 (4-12),
CF 3 CF 2 COOCF 2 CF (CF 3 ) OCF 2 CF 2 CF 2 CF 2 COCF 2 CF 3 (4-13),
CF 3 CF 2 COOCF 2 CF 2 OCF 2 CF 2 OCOCF 2 CF 3 (4-14),
CF 3 CF 2 CF 2 OCF(CF 3 )COOCF 2 CF(CF 3 )OCF 2 (CF 2 ) 3 —CF 2 OCOCF (CF 3 )OCF 2 CF 2 CF 3 (4-15),
CF 3 CF 2 COO(CF 2 ) 2 O(CF 2 ) 2 OCF(CF 3 )CF 2 OCOCF 2 CF 3 (4-16),
and
FCOCF 2 O(CF 2 ) 2 OCF(CF 3 )COF (5-16).
2. The compound according to claim 1 which is compound (3-12).
3. The compound according to claim 1 which is compound (3-13).
4. The compound according to claim 1 which is compound (3-14).
5. The compound according to claim 1 which is compound (4-14).
6. The compound according to claim 1 which is compound (5-16).