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Sigma-Aldrich

Pomalidomide-difluoroPEG1-C4-piperazine Hydrochloride

≥95%

Synonym(s):

2-(2,2-Difluoro-3-(4-(piperazin-1-yl)butoxy)propoxy)-N-(2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)acetamide hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C26H33F2N5O7 · xHCl
Molecular Weight:
565.57 (free base basis)
UNSPSC Code:
12352101
NACRES:
NA.21

ligand

pomalidomide

Quality Level

100

Assay

≥95%

form

powder

storage temp.

2-8°C

SMILES string

O=C(C(CC1)N(C2=O)C(C3=C2C=CC=C3NC(COCC(F)(F)COCCCCN4CCNCC4)=O)=O)NC1=O.Cl

Application

Protein degrader building block Pomalidomide-difluoroPEG1-C4-piperazine Hydrochloride enables the synthesis of molecules for targeted protein degradation and PROTAC (proteolysis-targeting chimeras) technology. This conjugate contains a Cereblon (CRBN)-recruiting ligand, a fluorinated linker with both hydrophobic and hydrophilic moieties, and a pendant amine for reactivity with a carboxylic acid on the target ligand. Because even slight alterations in ligands and crosslinkers can affect ternary complex formation between the target, E3 ligase, and PROTAC, many analogs are prepared to screen for optimal target degradation. When used with other protein degrader building blocks with a pendant amine, parallel synthesis can be used to more quickly generate PROTAC libraries that feature variation in crosslinker length, composition, and E3 ligase ligand.

Targeted Protein Degradation

Other Notes

Impact of linker length on the activity of PROTACs

Targeted Protein Degradation: from Chemical Biology to Drug Discovery

Small-Molecule PROTACS: New Approaches to Protein Degradation

Targeted Protein Degradation by Small Molecules

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360D

Hazard Classifications

Repr. 1B

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Daniel P Bondeson et al.
Annual review of pharmacology and toxicology, 57, 107-123 (2016-10-13)
Protein homeostasis networks are highly regulated systems responsible for maintaining the health and productivity of cells. Whereas therapeutics have been developed to disrupt protein homeostasis, more recently identified techniques have been used to repurpose homeostatic networks to effect degradation of

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