Patents Assigned to LEAK PHARMACEUTICALS D.D.
  • CONVERSION OF TRYPTOPHAN INTO BETA-CARBOLINE DERIVATIVES
    Publication number: 20110105751
    Abstract: The invention belongs in the field of organic chemistry and relates to a new shortened Pictet-Spengler type reaction for preparing isomerically pure ?-carboline compounds useful for the synthesis of tadalafil.
    Type: Application
    Filed: March 26, 2009
    Publication date: May 5, 2011
    Applicant: LEAK PHARMACEUTICALS D.D.
    Inventor: Samo Pirc