摘要:
The invention relates to pseudolaric acid-B derivatives of general formula (I), wherein (a) R 1 is cyano, heterocyclyl, COXR' or CON(R") 2 , wherein X is O or NH, R' is H, cycloalkyl, alkyl, heterocyclic alkyl or arylalkyl, each R" is independently alkyl, cycloalkyl or heterocyclicalkyl; (b) R 2 is H, alkylacyl, arylalkylacyl, arylacyl or heterocyclylacyl; (c) R 3 is COXY, amino or halogen, wherein X is O or NH, Y is H, NH 2 , hydroxy, alkyl, cycloalkyl, heterocyclicalkyl, hetroatom-substituted alkyl, tertiary amino-substituted ammonioalkyl, aryl, arylalkyl or polyhydroxyalkyl. The invention also relates to processes for preparing such derivatives and antitumor or antifungal pharmaceutical compositions containing the same.