The present disclosure provides efficient, economical, and improved processes for synthesizing lifitegrast and intermediates thereof. The currently discloses processes provide a direct synthetic route, avoiding protection or deprotection steps. The currently disclosed process also provides processes for synthesizing lifitegrast using a reduced number of synthetic steps.
本公开提供了合成利非替格和其
中间体的高效、经济、改进的过程。目前公开的过程提供了一条直接的合成路线,避免了保护或
脱保护步骤。目前公开的过程还提供了使用较少合成步骤合成利非替格的方法。