Lenalidomide-C5-amido-Boc is the Lenalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Lenalidomide-C5-amido-Boc can be connected to the ligand for protein by a linker to form PROTAC[1].
[1]. Wang, Shaomeng, et al. Preparation of phthalimide-based compounds as monofunctional intermediates for ligand-dependent target protein degradation. World Intellectual Property Organization, WO2017176958 A1 2017-10-12.
[2]. Robbins, Daniel, et al. WBifunctional compounds for degrading BTK via ubiquitin proteasome pathway. World Intellectual Property Organization, WO2021091575 A1 2021-05-14.