申请人:Jiangxi Synergy Pharmaceutical Co., Ltd
公开号:US20210053995A1
公开(公告)日:2021-02-25
The invention relates to a method for preparing Crisaborole of Formula I, comprising using m-methylphenol as the starting material to obtain a target product through a five-step reaction. The starting materials and the raw materials used in each step of the method according to the present invention are cheap and easy to obtain, and the process is simple. The reaction of introducing boron atoms into the benzene ring to form an oxygen boron heterocycle is novel, with high yield and mild conditions, and is suitable for industrial production.
该发明涉及一种制备化合物I的Crisaborole的方法,包括使用间甲酚作为起始物质,通过五步反应获得目标产物。根据本发明方法的每个步骤中使用的起始物质和原材料便宜且易获得,过程简单。将硼原子引入苯环形成氧硼杂环的反应是新颖的,产率高且条件温和,适合工业生产。