Optimization of a Series of Novel 1H-Pyrrolo[3,2-c]pyridine-Based USP1 Inhibitors with Potent In Vivo Antitumor Activity.
USP1, a deubiquitinating enzyme critical for DNA damage repair, represents a promising therapeutic target for cancers. In this study, we employed scaffold hopping to design and synthesize a series of 1H-pyrrolo[3,2-c]pyridine-based USP1 inhibitors. Among these, the lead compound 38a displayed robust enzymatic and cellu...