The apoeamphyl group of camphane-10-sulfonic acid has been shown to have approximately the same effect on the reactivity of the sulfonyl chloride and the ethyl ester as previously had been determined for the tert-butyl group of the analogous neopentanesulfonic acid. New aliphatic sulfonyl compounds prepared are camphane-10-sulfonyl chloride, and as characterizing derivatives, the ethyl ester, benzylamide, and morpholide of the corresponding sulfonic acid. New evidence has been presented indicating that hydrogen chloride does not catalyze ethanolysis of aromatic sulfonyl chlorides.
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