BackgroundNH2-PEG1-CH2CH2-Boc is a PEG- and Alkyl/ether-based PROTAC linker can be used in the synthesis of PROTACs.
Qiu X, et al. Chemoselective Synthesis of Lenalidomide-Based PROTAC Library Using Alkylation Reaction. Org Lett. 2019 May 17;21(10):3838-3841.