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4-Nitrobenzenesulfonyl chloride is used as an intermediate for the synthesis of pharmaceuticals like foscmprenavir, darunavir and amprenavir. It is involved in the preparation of N-nosyl-alpha-amino acid for peptide synthesis. It is also used for stereoselective α-glucosylation of partially protected carbohydrates in association with silver tri-fluoromethanesulfonate, N,N-dimethylacetamide and triethylamine. It is widely used for the synthesis of hydroxylamines of sulfadiazine, sulfamethoxazole and [Cu(bipy)2Cl](nbs) (1) (bipy = 2,2'-bipyridine, nbs = 4-nitrobenzenesulfonate).
Reagent for formation of 4-nitrobenzenesulfonyl ('Nosyl', Ns) derivatives of alcohols and amines. Nosylamides, formed from amines in the presence of, e.g. triethylamine, are stable to strong acids and bases, but are selectively cleaved by thiolates, e.g. PhSH or mercaptoacetate: Tetrahedron Lett., 36, 6373 (1995). See also 2-isomer (preceding entry)./n
Marchenko, M.; Thomson, A.; Ellis, T. N.; Knuckley, B.; Causey, C. P. Development of a clickable activity-based protein profiling (ABPP) probe for agmatine deiminases. Bioorg. Med. Chem. 2015, 23 (9), 2159-2167.
Hfaiedh, A.; Yuan, K.; Ammar, H. B.; Hassine, B. B.; Soule, J. F.; Doucet, H. Eco-Friendly Solvents for Palladium-Catalyzed Desulfitative C[BOND]H Bond Arylation of Heteroarenes. ChemSusChem 2015, 8 (10), 1794-1804.
Gefahrenhinweise (EU): H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.