| abstract |
Provided is a novel compound that inhibits interaction between Mdm2 (murine double minute 2) protein and p53 protein and shows anti-tumor activity. The invention provides a dispiropyrrolidine derivative represented by formula (1) that inhibits interaction between Mdm2 protein and p53 protein, shows anti-tumor activity, and has a variety of substitution groups. (R1, R2, R3 and rings A and B in formula (1) are the same as defined in the description.) |