Substituted pyrazolo[3,4-D]pyrimidines as anti-tumor agents

摘要

The present invention provides a compound of pyrazolo[3,4-d]pyrimidine having the formula wherein: X=N; R=H, alkylthio, or aminoalkylthio; R1=NHcyclopropyl, NHC3H7, NHC4H9, N(CH2CH3)2, NHCH2CH2OC2H5, 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, NHcyclohexyl, 1-hexahydroazepinyl, NHCH2C6H5, or NHCH2CH2C6H5; wherein R3=H, halogen, or alkyl and R5=Cl, Br or OH.