57529-04-1

Used as readily accessible electrophilic 1,3-dithiane reagent; formyl cation equivalent; reacts with alkyl- and arylmagnesium halides, enamines, 1,3-dicarbonyl compounds, electron-rich aromatics, and with P, N, S, and Se nucleophiles.

The Journal of Organic Chemistry, 44, p. 1847, 1979 DOI: 10.1021/jo01325a022

2-Chloro-1,3-dithiane can be easily obtained by chlorination of 1,3-Dithiane, either with N-Chlorosuccinimide (NCS) in benzene or with Sulfuryl Chloride in chloroform. The latter procedure generally gives a cleaner product and is described here.