Patent ID: 7919637

Claim:
A fluorine-containing spiroacetal compound represented by the following formula (A): wherein X represents >C(CF 3 )(Y) or >C═CF 2 , in which Y represents —CF 2 OCOR 1 , —COOR 2 , —COF, or —CH 2 OR 3 , R 1 represents an alkyl or cycloalkyl group having at least one fluorine atom, R 2 represents a hydrogen atom, an alkali metal, an alkaline earth metal, an alkyl group, or a cycloalkyl group, and R 3 represents a hydrogen atom or an acyl group; wherein the alkyl or cycloalkyl group for R 1 may have a substituent other than fluorine atom; the alkyl or cycloalkyl group for R 2 may have a substituent; and the acyl group for R 3 may have a substituent.