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Benzenesulfonyl chloride is an organosulfur compound with the formula C 6 H 5 SO 2 Cl. It is a colourless viscous oil that dissolves in organic solvents, but reacts with compounds containing reactive N-H and O-H bonds. It is mainly used to prepare sulfonamides and sulfonate esters by reactions with amines and alcohols, respectively. [1]
The intermediate benzenesulfonic acid can be chlorinated with thionyl chloride as well. Benzenesulfonyl chloride, the most important sulfonyl halide, can also be produced by treating sodium benzenesulfonate with phosphorus pentachlorides. [5] Benzenediazonium chloride reacts with sulfur dioxide and copper(I) chloride to give the sulfonyl chloride:
Conversion to the corresponding benzenesulfonyl chloride (C 6 H 5 SO 2 Cl) is effected with phosphorus pentachloride. It is a strong acid, being almost fully dissociated in water. Benzenesulfonic acid and related compounds undergo desulfonation when heated in water near 200 °C.
The Hinsberg reaction is a chemical test for the detection of primary, secondary and tertiary amines.The reaction was first described by Oscar Hinsberg in 1890. [1] [2] In this test, the amine is shaken well with the Hinsberg reagent (benzenesulfonyl chloride) in the presence of aqueous alkali (either KOH or NaOH).
4-Toluenesulfonyl chloride (p-toluenesulfonyl chloride, toluene-p-sulfonyl chloride) is an organic compound with the formula CH 3 C 6 H 4 SO 2 Cl. This white, malodorous solid is a reagent widely used in organic synthesis. [2] Abbreviated TsCl or TosCl, it is a derivative of toluene and contains a sulfonyl chloride (−SO 2 Cl) functional group.
Benzoyl chloride, also known as benzenecarbonyl chloride, is an organochlorine compound with the formula C 7 H 5 ClO. It is a colourless, fuming liquid with an irritating odour, and consists of a benzene ring ( C 6 H 6 ) with an acyl chloride ( −C(=O)Cl ) substituent .
benzenesulfonyl chloride: 98-09-9 C 6 H 5 ClSe: phenylselenenyl chloride: 5707-04-0 C 6 H 5 Cl 2 OP: phenylphosphoro dichloridite: 3426-89-9 C 6 H 5 Cl 3 Ge: phenyltrichlorogermane: 1074-29-9 C 6 H 5 Cl 3 Si: phenyl trichlorosilane: 98-13-5 C 6 H 5 Cl 3 Sn: phenyltrichlorostannane: 1124-19-2 C 6 H 5 FO 2 S: benzenesulfonyl fluoride: 368-43-4 C ...
AEBSF or 4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride is a water-soluble, irreversible serine protease inhibitor with a molecular weight of 239.5 Da. It inhibits proteases like chymotrypsin, kallikrein, plasmin, thrombin, and trypsin. The specificity is similar to the inhibitor PMSF, nevertheless AEBSF is more stable at low pH values ...
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