申请人:Teijin Limited
公开号:US04347369A1
公开(公告)日:1982-08-31
Hexahydronaphth[1',2':4,5]imidazo[2,1-b]thiazole and its derivatives of formula [I] ##STR1## (where X.sub.1 and X.sub.2 stand for hydrogen or halogen atoms; R represents a hydrogen atom, lower alkyl of 1 to 4 carbon atoms or lower alkyl substituted with a carboxyl given as --(CH.sub.2).sub.n COOH (n is an integral number of 1 to 3); A, B, C, and D symbolize the rings respectively and the configuration of rings B and C is trans) and their acid adducts, and a method of preparing them according to the chemical equation given below: ##STR2## (where X.sub.3 is a halogen atom). These compounds have immunostimulative activity.
六氢萘[1',2':4,5]咪唑[2,1-b]噻唑烷及其衍生物的化学式[I] ##STR1##(其中X.sub.1和X.sub.2代表氢原子或卤素原子;R代表氢原子,1至4个碳原子的低碳基或用--(CH.sub.2).sub.n COOH(n为1至3的整数)取代的低碳基;A、B、C和D分别代表环,环B和环C的构型为顺式),以及它们的酸盐加合物,以及根据下面给出的化学方程式制备它们的方法:##STR2##(其中X.sub.3是卤素原子)。这些化合物具有免疫刺激活性。