By R J Cremlyn
On account that its discovery in 1854, chlorosulfonic acid has proven that it's a actually flexible reagent. it truly is regular as a sulfonating and chlorosulfonating agent, quite of natural compounds, and it presents priceless man made intermediates for plenty of branches of undefined. This publication offers a close, modern account of the reactions of chlorosulfonic acid with aliphatic, fragrant and heterocyclic compounds; reactions with parts and inorganic compounds also are mentioned, in addition to using the reagent as a strong acid catalyst and dehydrating agent. ultimately, the economic makes use of and manufacture of chlorosulfonic acid are reviewed. The specified assurance during this ebook, coupled with the various references to contemporary paintings, will make sure that it truly is welcomed as a reference by way of man made chemists in, for instance, the pharmaceutical, agrochemical, plastic and detergent industries. Researchers and their scholars in academia also will locate it a invaluable addition to their bookshelves.
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8, the sulfene was trapped by the OH- ion. Deuterated benzylsulfonyl chloride (PhCD2S02C1)was hydrolysed in aqueous dioxane (1 : 1) to give PhCD2S03H without hydrogen-deuterium exchange indicating the operation of the bimolecular SN2 mechanism. 30 In the nucleophilic substitution reactions of alkylsulfonyl chlorides and ringsubstituted benzylsulfonyl chlorides, the operation of two competing reaction pathways has been established: (a) E-A (sulfene) mechanism and (b) direct nucleophilic substitution at sulfur (general base c a t a l y s i ~ ) .
Chlorosulfonic acid: a versatile reagent by R J Cremlyn