Antiviral phosphonomethoxyalkylene purine and pyrimidine derivatives
申请人:Institute of Organic Chemistry and Biochemistry of the Academy of
公开号:US05650510A1
公开(公告)日:1997-07-22
A series of compounds of Formula I which have anti-tumor activity, and are useful in treating viral infections, their compositions and use. ##STR1## In Formula I B is a purine or pyrimidine base; alk.sub.1 alk.sub.2 and alk.sub.3 are chemical bonds or alkylene groups; Q is hydrogen or hydroxyl; and R.sub.1 -R.sub.4 are hydrogen or alkyl.