申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US04386092A1
公开(公告)日:1983-05-31
A heterocyclic-substituted oxoalkanoic acid derivative having immunomodulatory activities of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, phenyl which may be substituted by at least one substituent selected from halogen, lower alkyl, lower alkoxy, mono- or di-lower alkyl amino-substituted lower alkoxy, lower alkylthio, lower alkylsulfinyl, amino, nitro and cyano at any position(s) on the nucleus, thienyl or furyl, each of R.sup.2 and R.sup.3 is hydrogen or lower alkyl, A is lower alkylene, X is sulfur or vinylene, Y is nitrogen or methine which may be substituted by lower alkyl, Z is carbonyl or direct bond.
具有免疫调节活性的杂环取代羧酸衍生物的化学式如下:##STR1##其中,R.sup.1是氢、低碳基、苯基,该苯基可以被至少一种卤素、低碳基、低碳氧基、单-或双-低碳基氨基取代的低碳基氧基、低碳基硫醇、低碳基亚磺酰基、氨基、硝基和氰基所取代,取代基可以位于核上的任何位置,也可以是噻吩基或呋喃基,R.sup.2和R.sup.3中的每一个都是氢或低碳基,A是低碳基亚烷基,X是硫或乙烯基,Y是氮或甲烷基,该甲烷基可以被低碳基取代,Z是羰基或直接键。