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Reactions of a series of methyl ethers of the trihydroxybenzenes and three dimethoxyphenyl methanesulfonates with sulfur trioxide. The effect of initial sulfation on the sulfonation product distribution

✍ Scribed by Hans Cerfontain; Harold R. W. Ansink; Norbert J. Coenjaarts; Erik J. de Graaf; Ankie Koeberg-Telder


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
593 KB
Volume
108
Category
Article
ISSN
0165-0513

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Sulfonation of 1- and 2-naphthol and the
✍ Harold R. W. Ansink; Erwin Zelvelder; Hans Cerfontain πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 467 KB

## Abstract The sulfonation of 1‐ and 2‐naphthol with sulfur trioxide in C^2^H~3~NO~2~ has been studied by using ^1^H NMR. 1‐Naphthol (1) yields, upon reaction with 1.0 mol‐equiv of SO~3~, a mixture of 2‐ and 4‐sulfonic acids (2‐ and 4‐S); upon increasing the reaction temperature, the relative amou