申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:US05173492A1
公开(公告)日:1992-12-22
There are disclosed s-triazolo[3,4-i]purine derivatives represented by formula: ##STR1## wherein Y-Z represents ##STR2## R.sub.4 represents hydrogen, alkyl, substituted or unsubstituted aromatic heterocyclic group or substituted or unsubstituted aryl; and X.sup.2 represents oxygen, sulfur or NH; each of R.sup.1 and R.sup.2 independently represents hydrogen, alkyl, cycloalkyl, aralkyl or substituted or unsubstituted aryl; R.sup.3 represents alkyl, cycloalkyl, aralkyl or substituted or unsubstituted aryl; X.sup.1 represents oxygen or sulfur; and represents a single bond or a double bond or pharmaceutically acceptable salts thereof.
公开了一种由以下公式表示的s-三唑并[3,4-i]嘌呤衍生物:##STR1## 其中Y-Z表示##STR2## R4表示氢,烷基,取代或未取代芳香杂环基团或取代或未取代芳基;X2表示氧,硫或NH;每个R1和R2独立地表示氢,烷基,环烷基,芳基烷基或取代或未取代芳基;R3表示烷基,环烷基,芳基烷基或取代或未取代芳基;X1表示氧或硫;并且表示单键或双键或其药学上可接受的盐。