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905402

Sigma-Aldrich

(S,R,S)-AHPC-C6-PEG1-C3-PEG1-butyl chloride

95%

Synonym(s):

(2S,4R)-1-((S)-2-(6-((5-((6-Chlorohexyl)oxy)pentyl)oxy)hexanamido)-3,3-dimethylbutanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide, (S,R,S)-AHPC-6-5-6-Cl, Crosslinker–E3 Ligase ligand conjugate, Protein degrader building block for PROTAC® research, Template for synthesis of targeted protein degrader, VH032 conjugate

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About This Item

Empirical Formula (Hill Notation):
C39H61ClN4O6S
CAS Number:
Molecular Weight:
749.44
MDL number:
UNSPSC Code:
12352101

ligand

VH032

Assay

95%

form

solid

reaction suitability

reactivity: sulfuryl reactive
reagent type: ligand-linker conjugate

functional group

alkyl halide

storage temp.

2-8°C

SMILES string

ClCCCCCCOCCCCCOCCCCCC(N[C@H](C(N1[C@H](C(NCC2=CC=C(C3=C(C)N=CS3)C=C2)=O)C[C@@H](O)C1)=O)C(C)(C)C)=O

Application

Protein degrader builiding block (S,R,S)-AHPC-C6-PEG1-C3-PEG1-butyl Chloride enables the synthesis of molecules for targeted protein degradation and PROTAC (proteolysis-targeting chimeras) technology. This conjugate contains a von Hippel–Lindau (VHL)-recruiting ligand, a linker with both hydrophobic and hydrophilic moieties, and a pendant chloroalkane for reactivity with a nucleophilic group on a 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 chloro group, parallel synthesis can be used to more quickly generate PROTAC libraries that feature variation in crosslinker length, composition, and E3 ligase ligand.

Legal Information

PROTAC is a registered trademark of Arvinas Operations, Inc., and is used under license

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Product No.
Description
Pricing

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Ashton C Lai et al.
Angewandte Chemie (International ed. in English), 55(2), 807-810 (2015-11-26)
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
Momar Toure et al.
Angewandte Chemie (International ed. in English), 55(6), 1966-1973 (2016-01-13)
The current inhibitor-based approach to therapeutics has inherent limitations owing to its occupancy-based model: 1) there is a need to maintain high systemic exposure to ensure sufficient in vivo inhibition, 2) high in vivo concentrations bring potential for off-target side effects, and 3) there is
Kedra Cyrus et al.
Molecular bioSystems, 7(2), 359-364 (2010-10-06)
Conventional genetic approaches have provided a powerful tool in the study of proteins. However, these techniques often preclude selective manipulation of temporal and spatial protein functions, which is crucial for the investigation of dynamic cellular processes. To overcome these limitations
Momar Toure et al.
Angewandte Chemie (International ed. in English), 55(6), 1966-1973 (2016-01-13)
The current inhibitor-based approach to therapeutics has inherent limitations owing to its occupancy-based model: 1) there is a need to maintain high systemic exposure to ensure sufficient in vivo inhibition, 2) high in vivo concentrations bring potential for off-target side effects, and 3) there is
Philipp M Cromm et al.
Cell chemical biology, 24(9), 1181-1190 (2017-06-27)
Traditional pharmaceutical drug discovery is almost exclusively focused on directly controlling protein activity to cure diseases. Modulators of protein activity, especially inhibitors, are developed and applied at high concentration to achieve maximal effects. Thereby, reduced bioavailability and off-target effects can

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