Patents Assigned to Chirallica d.o.o.
  • Chiral stationary phases based on derivatives of 4-amino-3,5-dinitrobenzoic acid
    Patent number: 7018537
    Abstract: The invention describes new chiral stationary phases containing a 4-amino-3,5-dinitrobenzoic unit modified with chiral groups and spacer groups. The invention includes the process for the preparation of said stationary phases starting from 4-halogenated derivative of 3,5-dinitrobenzoic acid, chiral selectors obtainable as intermediates in the aforesaid process, and the use of the chiral stationary phases in the separation of enantiomers.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: March 28, 2006
    Assignee: Chirallica d.o.o.
    Inventors: Darko Kontrec, Vladimir Vinkovic, Vitomir Sunjic, Paolo Mariotti, Luciano Navarini