N-piperidine Ibrutinib hydrochloride

N-piperidine Ibrutinib hydrochloride (Compound 1) is a reversible Ibrutinib derivative. N-piperidine Ibrutinib hydrochloride is a potent BTK inhibitor with IC50s of 51.0 and 30.7 nM for WT BTK and C481S BTK, respectively. N-piperidine Ibrutinib hydrochloride can be used as a BTK ligand in the synthesis of a series of PROTACs, such as SJF620 (HY-133137) . SJF620 is a potent PROTAC BTK degrader with a DC50 of 7.9 nM.