| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to compounds of formula I and their pharmaceutically acceptable salts. The disclosed compounds have inhibitory effect on CDK1 kinase. In formula I , R1 is hydrogen or R2-(X)n-; X is a lower alkylene or cyclic lower alkylene; R2 denotes ; where denotes phenyl; cycloalkyl containing 3-6 carbon atoms; 4-6-member heterocycloalkyl ring having 3-5 carbon atoms and 1-2 oxygen atoms; R5, R6 and R7 are independently selected from a group containing hydrogen or halide; R4 is hydrogen or -(O)k(CH2CH2O)y-R10; R19 is hydrogen; R20 is hydrogen or -C(O)-R11; R10 and R11 is a lower alkyl; n and k are equal to 0 or 1; y is an integer from 0 to 3. ^ EFFECT: obtaining a pharmaceutical composition with inhibitory effect on CDK1 kinase, containing one or more of the disclosed compounds. ^ 15 cl, 10 ex |
