The present invention provides the carboxylate compound and its manufacturing method and the fragrance constituent that contains the carboxylate compound of a kind of novelty of useful what as fragrance component or as compound perfume material. The anilide fluoride and its ester of a kind of 2,4- dimethyl-bicyclos [2.2.2] octane compound of the raw material (including the intermediate in organic synthesis) of useful what as medicine, pesticide, fragrance, functional resin, optical functional material and electronic functionality material etc. are provided again. Carboxylate compound system of the present invention is indicated with general formula (1):(in formula, one of R1 and R2 are methyl, and wherein another one is-COOR by R1 and R2, in the alkyl that this R is carbon number 1 ~ 4).
