Disclosed are an SOS1 degrading agent and a preparation method therefor and use thereof. Specifically, disclosed is a compound of formula I: S-L-E (I), wherein L is a linking chain, which links S and E by means of covalent bonds; E is a small molecule ligand of an E3 ubiquitin ligase complex. The compound of formula I of the present invention can degrade and/or inhibit SOS1 protein in cells, and can be used for the treatment and/or prevention of an SOS1-mediated disease or disorder, or a disease or disorder caused by the interaction of SOS1 with Ras or SOS 1 with Rac.
本发明公开了一种SOS1降解剂及其制备方法和用途。具体地,公开了以下式I的化合物:S-L-E(I),其中L为连接链,所述连接链通过共价键将S和E连接在一起;E为E3泛素连接酶复合物的小分子
配体。本发明的式I化合物能够降解和/或抑制细胞内的SOS1蛋白,并可用于治疗和/或预防SOS1介导的疾病或异常,或由SOS1与Ras或SOS1与Rac相互作用引起的疾病或异常。