Author's Organization:Chemical Research Laboratories, Central Research Division, Takeda Chemical Industries, Ltd. Chemical Research Laboratories, Central Research Division, Takeda Chemical Industries, Ltd. Chemical Research Laboratories, Central Research Division, Takeda Chemical Industries, Ltd. Chemical Research Laboratories, Central Research Division, Takeda Chemical Industries, Ltd. Chemical Research Laboratories, Central Research Division, Takeda Chemical Industries, Ltd.
A variety of 4H-s-triazolo [4, 3-a] [1, 4] benzodiazepines (VII) which are highly active in central nervous system depression was synthesized with the aim of investigating structure-activity relationships.