Accutar Biotechnology Inc. has synthesized new protein-protein interaction targeted chimera (PPI-TAC) compound comprising an E3 ubiquitin ligase-binding moiety covalently bound to a phosphatidylinositol 3-kinase α (PI3Kα)-targeting moiety. They act as PI3Kα H1047R mutant degradation inducers potentially useful for the treatment of cancer.