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Merck

Modular PROTAC Design for the Degradation of Oncogenic BCR-ABL.

Angewandte Chemie (International ed. in English) (2015-11-26)
Ashton C Lai, Momar Toure, Doris Hellerschmied, Jemilat Salami, Saul Jaime-Figueroa, Eunhwa Ko, John Hines, Craig M Crews
초록

Proteolysis Targeting Chimera (PROTAC) technology is a rapidly emerging alternative therapeutic strategy with the potential to address many of the challenges currently faced in modern drug development programs. PROTAC technology employs small molecules that recruit target proteins for ubiquitination and removal by the proteasome. The synthesis of PROTAC compounds that mediate the degradation of c-ABL and BCR-ABL by recruiting either Cereblon or Von Hippel Lindau E3 ligases is reported. During the course of their development, we discovered that the capacity of a PROTAC to induce degradation involves more than just target binding: the identity of the inhibitor warhead and the recruited E3 ligase largely determine the degradation profiles of the compounds; thus, as a starting point for PROTAC development, both the target ligand and the recruited E3 ligase should be varied to rapidly generate a PROTAC with the desired degradation profile.

MATERIALS
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Sigma-Aldrich
(S,R,S)-AHPC hydrochloride, ≥97%
Sigma-Aldrich
(S,R,S)-AHPC-C6-PEG3-butyl chloride, ≥95%
Sigma-Aldrich
Pomalidomide-C6-PEG1-C3-PEG1-butyl iodide, ≥95%