申请人:Lion Corporation
公开号:US04460773A1
公开(公告)日:1984-07-17
Novel 1-phenyl-1H-pyrazolo[3,4-b]pyrazine derivatives are provided which are represented by the formula: ##STR1## wherein A is (i) ##STR2## in which R.sub.1 and R.sub.2 are hydrogen or an alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or amino group, or a divalent radical forming a nitrogen-containing saturated heterocyclic ring together with the nitrogen atom, (ii) ##STR3## wherein R.sub.3 is a phenyl group which is unsubstituted or substituted by halogen or a lower alkyl, lower alokoxy, carboxyl or nitro group, and R.sub.4 is halogen or a methyl or ethyl group, (iii)--OR.sub.5 in which R.sub.5 is a phenyl group which is unsubstituted or substituted by halogen or a hydroxyl, lower alkyl, lower alkoxy, amino or lower alkylamide group, or (iv)--OR.sub.6 is an alkyl group which is unsubstituted or substituted by halogen or a phenyl, furanyl, tetrahydrofuranyl or alkylamino group. These derivatives have antitumor or antiviral activity.
提供了一种新型的1-苯基-1H-吡唑并[3,4-b]吡嗪衍生物,其化学式为:##STR1## 其中A为(i) ##STR2## 其中R.sub.1和R.sub.2为氢或烷基,取代烷基,环烷基,取代环烷基或氨基,或者是与氮原子一起形成含氮饱和杂环的二价基团,(ii) ##STR3## 其中R.sub.3是未取代或取代卤素或较低烷基,较低烷氧基,羧基或硝基的苯基基团,R.sub.4是卤素或甲基或乙基基团,(iii) -OR.sub.5,其中R.sub.5是未取代或取代卤素或羟基,较低烷基,较低烷氧基,氨基或较低烷基酰胺基的苯基基团,或(iv) -OR.sub.6是未取代或取代卤素或苯基,呋喃基,四氢呋喃基或烷基氨基基团的烷基基团。这些衍生物具有抗肿瘤或抗病毒活性。