| abstract |
The salt represented by the formula (I) Formula I In the formula (I) Q 1 and Q 2 are each independently a fluorine atom or a C 1 -C 6 perfluoroalkyl group, n is 0 or 1, L 1 is a single bond or a C 1 -C 10 alkanediyl group wherein the methylene group may be replaced by an oxygen atom or a carbonyl group provided that L 1 is not a single bond when n is 0, The ring W is a C 3 -C 36 aliphatic ring wherein the methylene group can be replaced by an oxygen atom, a sulfur atom, a carbonyl group or a sulfonyl group, and the hydrogen atom is a hydroxyl group, a C 1 -C 12 alkyl group or C Lt; RTI ID = 0.0 > 1- C12 < / RTI > alkoxy group, R 1 is a hydroxyl group, or a hydroxyl group protected by a protecting group, Z + is an organic cation. |