Process for producing a fluorine atom-containing sulfonyl...

Details Process for producing a fluorine atom-containing sulfonyl... Process for producing a fluorine atom-containing sulfonyl...

2006-09-12

2006-09-12

Zucker, Paul A. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur halides

Reexamination Certificate

active

07105697

ABSTRACT:
The present invention provides a process whereby fluorine atom-containing sulfonyl fluoride compound(s) useful as e.g. materials for ion-exchange membranes, can be produced efficiently and at low cost without structural limitations while solving the difficulties in production. Namely, the present invention provides a process which comprises reacting XSO2RA-E1(1) with RB-E2(2) to form XSO2RA-E-RB(3), then reacting (3) with fluorine in a liquid phase to form FSO2RAF-EF-RBF(4), and further, decomposing the compound to obtain FSO2RAF-EF1(5), wherein RAis a bivalent organic group, E1is a monovalent reactive group, RBis a monovalent organic group, E2is a monovalent reactive group which is reactive with E1, E is a bivalent connecting group formed by the reaction of E1with E2, RAFis a bivalent organic group formed by the fluorination of RA, etc., RBFis the same group as RB, etc., EFis a bivalent connecting group formed by the fluorination of E, etc., EF1is a monovalent group formed by the decomposition of EF, and X is a halogen atom.

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