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Aromatic sulphonation. Part 57. Phenylsulphamic acid in sulphuric acid: solvolysis versus sulphonation

✍ Scribed by Maarsen, P. K.; Cerfontain, H.


Book ID
120808316
Publisher
Royal Society of Chemistry
Year
1977
Tongue
English
Weight
676 KB
Volume
7
Category
Article
ISSN
1472-779X

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## Abstract The ratio of the overall rate constants for the sulphonation of toluene and benzene in aqueous sulphuric acid at 25Β° decreases from 110 to 25 on varying the acid concentration from 78 to 92 wt‐%. Similar trends are observed at 5Β° and 45Β°. The partial rate factors for __ortho‐, meta‐__

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## Abstract The isomer distribution in the homogeneous monosulphonation of toluene in 77.6‐98.8 wt‐ % aqueous sulphuric acid has been determined at various temperatures between 5 and 65Β°. Sulphone formation and disulphonation are negligible. The isomer distribution is independent of toluene convers