Process preparation method of 4-substituted-2, 6-dimethylphenol

The present invention discloses a process preparation method of 4-substituted-2, 6-dimethyl phenol. According to the process preparation method, a preparation route method is improved and optimized, reaction conditions are optimized, post-treatment and purification methods are improved, so that the danger grade of operation and the production cost are reduced; and the requirement for the corrosionresistance grade of reaction container equipment is low, the operation is safe, and the post-treatment is environment-friendly; and the prepared 4-substituted-2, 6-dimethyl phenol has less impurities, thus, the purity and the quality of an intermediate product are greatly improved while the yield is improved as well, the difficulty of process control in the production process of a subsequent rawmaterial medicine product is improved, and the quality and qualification rate of the subsequent raw material medicine product are improved; and the steps of the preparation method is simple to operate, the solvent and the proc