公开(公告)号：US20230130731A1

公开(公告)日：2023-04-27

申请号：US17911886

申请日：2021-10-18

申请人： KOREA KUMHO PETROCHEMICAL CO., LTD.

发明人： Kee Yoon ROH ,  Sang Hun JANG ,  Jung Hei CHOI

IPC分类号： C07C323/16 ,  C07C315/02

摘要： A method of preparing a thiomethylphenol derivative is disclosed, the method including: (a) carrying out a primary reaction of a phenol derivative represented by the following Chemical Formula 2, a mercaptan derivative represented by R4SH, and paraformaldehyde at a reaction temperature T1 under conditions in which a heterocyclic base having 3 to 10 carbon atoms and an acid are simultaneously present; and (b) carrying out a secondary reaction at a reaction temperature T2 to prepare a thiomethylphenol derivative represented by the following Chemical Formula 1, wherein T1