URACIL DERIVATIVE AND USE THEREOF FOR MEDICAL PURPOSES
申请人:Shiro Tomoya
公开号:US20140179670A1
公开(公告)日:2014-06-26
The present invention provides: an uracil derivative represented by general formula (I) or a physiologically acceptable salt thereof (in the formula, R
1
represents a hydrogen atom, a C
1-10
alkyl group, a C
2-6
alkene group or a 3- to 6-membered saturated or 4- to 6-membered unsaturated aliphatic ring group which may contain 1 to 2 hetero atoms independently selected from the group consisting of N, O and S; R
2
represents a hydrogen atom, a halogen atom, a cyano group, —NR
c
R
d
, —N═CHN(CH
3
)
2
, or an C
1-3
alkyl group; Ar
1
and Ar
2
independently represent a 5- to 6-membered aromatic ring group which may contain 1 to 3 hetero atoms independently selected from the group consisting of N, O and S; and L represents a 6-membered aromatic ring group which may contain 1 to 4 nitrogen atoms, a pyrazole group, a triazole group, or an imidazole group); and a therapeutic agent or prophylactic agent for various inflammatory diseases associated with elastase, comprises the compound or the like as an active ingredient.