In the process of isopropylation, isopropanol was the isopropylation reagent while sulfuric acid was the catalyst, and the condition of process was selected by orthogonal experiments.

• 在异丙基化步骤中,采用异丙醇为异丙基化试剂,以硫酸为催化剂,通过正交试验对实验条件进行了优化。