Patents Examined by Diama G. Rivers
  • Synthesis of 2-aminopyrimido[4,5-g]quinolines
    Patent number: 4764609
    Abstract: This invention provides a process for preparing trans 2-aminopyrimido[4,5-g]quinolines employing novel intermediates.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: August 16, 1988
    Assignee: Eli Lilly and Company
    Inventors: Leland O. Weigel, Gilbert S. Staten