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OPSS-Bzl-OpNC
Chemical name: (4-(pyridin-2-yldisulfaneyl)benzyl) p-nitrophenylcarbonate // Synonyms: oPy-SS-Bzl-OPNP, 4-nitrophenyl (4-(pyridin-2-yldisulfaneyl)benzyl) carbonate
- Product code:RL-3550
- CAS No.:1151989-04-6
- Formula:C19H14N2O5S2
- Storage temperature:-20°C
- Molecular weight:414.45 g/mol
from €175.00
description
The linkage of a drug to its carrier via a disulfide-based self-immolative linker allows for the specific intracellular release of the active molecule upon glutathione reduction and linker cleavage. The overall red/ox potential in the human blood is oxidative, making disulfide linkages stable during circulation. In contrast, the intracellular milieu of mammalian cells is characterized by an overall reductive potential, thus allowing to revert the disulfide bond formation. Pyridyl disulfides undergo a disulfide exchange reaction with sulfhydryl groups to form disulfide bonds over a broad pH range also suitable for physiological pH. During the reaction, a disulfide exchange occurs between the biomolecule’s thiol group and the reagent’s 2-pyridyldithiol group. As a result, pyridine-2-thione is released, which can be followed spectrophotometrically (ëmax = 343 nm) to monitor the progress of the reaction. The p-nitrophenylcarbonate activating group reacts preferably with amines or other nucleophiles and allows further derivatization, e.g. with the desired drug molecule.
references
Disulfide-Based Self-Immolative Linkers and Functional Bioconjugates for Biological Applications; Z. Deng, J. Hu and S. Liu; Macromol Rapid Commun 2020; 41: e1900531. https://doi.org/10.1002/marc.201900531
Stabilizing p-Dithiobenzyl Urethane Linkers without Rate-Limiting Self-Immolation for Traceless Drug Release; Y. Zheng, Y. Shen, X. Meng, Y. Wu, Y. Zhao and C. Wu; ChemMedChem 2019; 14: 1196-1203. https://doi.org/10.1002/cmdc.201900248
Reduction-Triggered Transformation of Disulfide-Containing Micelles at Chemically Tunable Rates; Z. Deng, S. Yuan, R. X. Xu, H. Liang and S. Liu; Angew Chem Int Ed Engl 2018; 57: 8896-8900. https://doi.org/10.1002/anie.201802909
Modulated Fragmentation of Proapoptotic Peptide Nanoparticles Regulates Cytotoxicity; T. Suma, J. Cui, M. Mullner, S. Fu, J. Tran, K. F. Noi, Y. Ju and F. Caruso; J Am Chem Soc 2017; 139: 4009-4018. https://doi.org/10.1021/jacs.6b11302
An oral redox-sensitive self-immolating prodrug strategy; T. Sun, A. Morger, B. Castagner and J. C. Leroux; Chem Commun (Camb) 2015; 51: 5721-4. https://doi.org/10.1039/c5cc00405e
Conjugating Aptamber and Mitomycin C with Reductant-Responsive Linker Leading to Synergistically Enhanced Anticancer Effect; Q. Yang, Z. Deng, D. Wang, J. He, D. Zhang, Y. Tan, T. Peng, X.-Q. Wang, W. Tan; J. Am. Chem. Soc. 2020; 142(5): 2532-2540. https://doi.org/10.1021/jacs.9b12409.
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