| abstract |
(57) [Problem] To provide a novel production method for producing COF 2 safely and inexpensively by using a reaction by-product or the like. A general formula (1); CF 3 O ( CF 2 O) n -R (1) ( wherein, -R is -COF, -OCOF or -CF 2 C OF is shown, and n shows the integer of 0-50. A method for producing COF 2 , comprising decomposing at least one compound selected from the group consisting of compounds represented by the formula (1) in the presence of a catalyst. |