METHYL CANTHARIMIDE COMPOUNDS, TREATMENT METHOD USING THEM AND THEIR PREPARATION METHOD

摘要

Methyl cantharimide compounds, the treatment method using them and their preparation method are disclosed. The methyl cantharimide compounds contain the main chain as shown by the following formula (I): wherein R1, R2, R3 and R4 are respectively selected from H, C(O)OR5, C(O)R6, C(O)NR7R8, NR9C(O) R10, N-R11R12, O-R13, S-R14, P(O) (OR15) (OR16), As(O) (OR17) (OR18), SO2R19, SO3R20 and B(OR21); X1-X4 are respectively selected from nitrogen or carbon; R1-R4 are not all hydrogen; Y1, Y2 and R5-R21 are respectively selected from hydrogen, C1-12 alkyl, aryl, heterocyclic group and a bioactive polymer. The methyl cantharimide compounds of the invention have lower cytotoxicity to normal cells and have higher cytotoxicity to cancer cells.