Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate. The detailed reaction conditions have been discussed, satisfactory results are obtained.

• 从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸，合成茴香酸甲酯。对合成条件进行了研究，取得了满意的结果。