Patent Number: 8,816,092

Title: Indazole derivative or salt thereof and production intermediate thereof, and antioxidant using same, and use of indazole derivative or salt thereof

Abstract: A compound represented by formula (1) or salt thereof and a production intermediate thereof are created. The compound exhibited an excellent antioxidation action in a microsome lipid peroxidation measuring system using a rat liver microsome. Therefore, the compound or salt thereof is useful as an antioxidant. The present invention also provides use of a compound represented by the formula (1) or a pharmaceutically acceptable salt thereof for production of an antioxidant. ##STR00001##

Inventors: Hagihara; Masahiko (Ube, JP), Komori; Ken-ichi (Ube, JP), Sunamoto; Hidetoshi (Ube, JP), Nishida; Hiroshi (Ube, JP), Tsuzaki; Yasunori (Ube, JP), Takama; Akira (Ube, JP), Kido; Kazutaka (Osaka, JP), Fujimoto; Tomokazu (Osaka, JP), Matsugi; Takeshi (Osaka, JP)

Assignee: Ube Industries, Ltd.

International Classification: A61K 31/44 (20060101); C07D 401/00 (20060101)

Expiration Date: 8/26/12018