Patent ID: 8299288

Claim:
A method for producing a compound represented by Formula (4): wherein R 1 , R 2 and m each represent the same meanings as defined below, which comprises Step I of adding a solution in which hydrogen chloride is dissolved in an alcohol represented by Formula (2): R 2 OH (2) wherein R 2 represents an alkyl group having 1 to 4 carbon atoms, to a mixture containing an organic solvent and a compound represented by Formula (1): wherein R 1 is represented by Formula (5) as follows: —CH 2 OR 3 (5) wherein R 3 represents an optionally-substituted phenyl group, and m represents an integer of 0 to 5; and Step II of mixing a compound obtained in Step I, represented by Formula (3): wherein R 1 , R 2 and m each represent the same meanings as defined above, with water.