Attempts to carry out Friedel-Crafts acylations of diphenyl disulfide or formaldehyde diphenyl mercaptal were unsuccessful; however, it was shown that the readily formed addition product of a thiophenol and 3-nitrobenzalacetophenone is amenable to electrophilic substitution, and that this substituted addition product may be nearly quantitatively converted to the correspondingly substituted thiophenol. It was demonstrated by the preparation of ...
