Patents Assigned to F.l.S. - FABBRICA ITALIANA SINTETICI S.P.A
  • PROCESS FOR THE PREPARATION OF KEY INTERMEDIATES FOR THE SYNTHESIS OF ELTROMBOPAG OR SALT THEREOF
    Publication number: 20220298116
    Abstract: Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of Eltrombopag, passing through/using intermediate 5?-Chloro-2?-hydroxy[1,1?-biphenyl]-3-carboxylic acid alkaline metal salt of formula: wherein A is an alkaline metal.
    Type: Application
    Filed: July 4, 2019
    Publication date: September 22, 2022
    Applicant: F.l.S. - FABBRICA ITALIANA SINTETICI S.P.A
    Inventors: Paolo STABILE, Floriana SEMERARO