A compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity is provided. The present invention provides a dispiropyrrolidine derivative represented by the following formula (1), which has various substituents, inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity, wherein R
1
, R
2
, R
3
, ring A, and ring B in formula (1) respectively have the same meanings as defined in the specification.
提供了一种抑制小鼠双分子2(Mdm2)蛋白与p53蛋白相互作用并具有抗肿瘤活性的化合物。本发明提供了以下式(1)所代表的二螺环
吡咯烷衍
生物,其具有各种取代基,抑制Mdm2蛋白与p53蛋白之间的相互作用并具有抗肿瘤活性,其中式(1)中的R1、R2、R3、环A和环B分别具有规范中定义的相同含义。