申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US20030119896A1
公开(公告)日:2003-06-26
A chondrogenesis promoter comprising as an active ingredient a compound represented by general formula (I) or a salt thereof:
1
wherein R
1
represents a halogen atom, a lower alkyl group, a lower alkoxy group, etc.; R
2
represents a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a lower alkoxy group, an acyl group, an aryl group, a heterocyclic group, etc.; R
3
represents a lower alkyl group, a cycloalkyl group, an aryl group, a heterocyclic group, etc.; R
4
represents a hydrogen atom, a lower alkyl group, an aryl group, a heterocyclic group, etc.; X and Y represent —CH
2
—, —NH— or —O—; and n represents an integer of 0-4.
一种软骨形成
促进剂,其活性成分是由通式(I)表示的化合物或其盐:
其中,R1代表卤素原子、低碳基、低烷氧基等;R2代表氢原子、低碳基、低烯基、低炔基、低烷氧基、酰基、芳基、杂环基等;R3代表低碳基、环烷基、芳基、杂环基等;R4代表氢原子、低碳基、芳基、杂环基等;X和Y代表-
CH2-、-NH-或-O-;n表示0-4的整数。