Patents Assigned to TSI GROUP CO., LTD.
  • Patent number: 11512044
    Abstract: Disclosed is a method for preparing salicylamine acetate. The method comprises the steps of: (1) carrying out amino protection on salicylaldehyde having a structure represented by formula 1 to obtain a compound having a structure represented by formula 2; and (2) carrying out acid hydrolysis to the compound having a structure represented by formula 2 and then reacting the acid-hydrolyzed compound with acetic acid to obtain salicylamine acetate.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 29, 2022
    Assignee: TSI GROUP CO., LTD.
    Inventor: Ling Long