A cysteamine derivative represented by general formula (I): ##STR1## wherein R.sub.1 represents a straight-chain or a branched alkyl radical having 1 to 6 carbon atoms, R.sub.2 represents hydrogen atom or n-propyl radical, and X represents a radical selected from the group consisting of radicals containing cysteamine moiety (N S) represented by formula (II): ##STR2## formula (III): ##STR3## formula (IV): ##STR4## formula (V): ##STR5## or formula (VI): ##STR6## wherein R.sub.2 represents hydrogen atom or a straight-chain or a branched alkyl group having 1 to 10 carbon atoms is provided. The cysteamine derivative is effective as an antirheumatic agent.
一种由一般式(I)表示的半胱
氨酸衍
生物:##STR1## 其中R.sub.1代表1至6个碳原子的直链或支链烷基基团,R.sub.2代表氢原子或正丙基基团,X代表从含有半胱
氨酸基团(NS)的基团中选择的基团,该基团由式(II)表示:##STR2## 式(III):##STR3## 式(IV):##STR4## 式(V):##STR5## 或式(VI):##STR6## 其中提供R.sub.2代表氢原子或1至10个碳原子的直链或支链烷基团。该半胱
氨酸衍
生物作为抗风湿药物具有有效性。