Pyrazine derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 241/14 (2006.01) A61K 31/50 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) C07D 241/24 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07D 403/06 (2006.01) C07D 403/12 (2006.01) C07D 403/14 (2006.01) C07D 405/12 (2006.01) C07D 405/14 (2006.01) C07D 409/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01) C07D 453/02 (2006.01)

Patent

CA 2067663

ABSTRACT OF THE DISCLOSURE Novel pyrazine derivatives represented by the formula (1) and salts thereof which possess inhibitory effect against superoxide radicals (O2-) released from the macrophage cells of guinea pig by stimulation, and also possess anti-albuminuria activity in Masugi nephritis. Image (1) The pyrazine derivatives (1) and salts thereof are useful agents for preventing and treating of various diseases caused by the superoxide radicals, for example, diseases of autoimmune such as rheumatoid arthritis, arteriosclerosis, ischemic heart disease, transient cerebral ischematic attack, hepatic insufficiency, renal insufficiency and the like, as well as they are useful agents for preventing and treating the nephritis in various clinical fields.

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