CDK7-IN-2 hydrochloride hydrate (Example 6) is a highly effective and specific inhibitor of the CDK7 enzyme. This compound exhibits significant anti-cancer properties.
PROTAC CDK9 degrader-2 (compounds 11c) is a potent and selective CDK9 degrader based on PROTAC, with an IC50 of 17 μM in MCF-7 cell lines. Natural product Wogonin binds ubiquitin E3 ligase cereblon (CRBN) via a linker to form PROTAC[1].