Fluorosulfonyl group-containing compound, method for its production and polymer thereof
View Patent ↗A compound containing two fluorosulfonyl groups which are groups convertible to sulfonic acid groups, an intermediate therefor, and methods for their production with high productivity, are provided. Also provided are a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer. A method for producing a compound of the following formula (m0), such a compound, a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer, provided that R F01 is a single bond or a C 1-6 bivalent perfluoro organic group, R F02 is a C 1-6 bivalent perfluoro organic group, and n is 0 or 1.
1. A process for producing a compound of formula (c), comprising:
reacting a compound of formula (a) with a compound of formula (b1) or a compound of formula (b2) in the presence of M a F, wherein (M a represents a metal atom which can form a monovalent cation, to obtain the compound of formula (c):
provided that the symbols in the formulae are:
R F01 is a single bond or C 1-6 bivalent perfluoro organic group, and
R F02 is a C 1-6 bivalent perfluoro organic group wherein said compound of formula (c) is at least one member selected from the group consisting of
2. A compound of formula (c1):
3. A compound of formula (c2):
4. A compound of formula (d1):
5. A compound of formula (d2):