Patent Number: 8,822,699

Title: Heterocyclic compound and use thereof

Abstract: The present invention provides a heterocycle derivative having a superior amyloid .beta. production inhibitory activity and/or a superior .gamma.-secretase modulation activity, and use thereof. A compound represented by the formula (I): ##STR00001## wherein each symbol is as defined in the present specification, or a salt thereof.

Inventors: Koike; Tatsuki (Kanagawa, JP), Nakamura; Minoru (Kanagawa, JP), Tomata; Yoshihide (Kanagawa, JP), Takai; Takafumi (Kanagawa, JP), Hoashi; Yasutaka (Osaka, JP), Kajita; Yuichi (Kanagawa, JP), Tsukamoto; Tetsuya (Osaka, JP), Kamata; Makoto (Kanagawa, JP)

Assignee: Takeda Pharmaceutical Company Limited

International Classification: A61K 31/42 (20060101); C07D 263/30 (20060101); C07D 413/02 (20060101)

Expiration Date: 9/02/12018