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.
公开了由以下公式表示的s-三唑[3,4-i]嘧啶衍生物:##STR1##其中Y-Z代表##STR2##R.sub.4代表氢、烷基、取代或未取代的芳香杂环基团或取代或未取代的芳基;X.sup.2代表氧、硫或NH;R.sup.1和R.sup.2中的每一个独立地代表氢、烷基、环烷基、芳基或取代或未取代的芳基;R.sup.3代表烷基、环烷基、芳基或取代或未取代的芳基;X.sup.1代表氧或硫;代表单键或双键或其药用盐。