Chlorosulfonic acid → HCID 53734201, compound

Participants

Reaction Steps

In the apparatus mentioned under (b), 87.4 g (0.75 mol) of chlorosulfonic acid and 18.7 g (0.1 mol) of benzylmaleimide are mixed together for 5 hours at 60° C. The solution is afterwards added dropwise to ice water, and the mixture is stirred for 30 minutes. The mixture is then extracted with methylene chloride as described under (b). The initially liquid product slowly crystallises on standing.

Provenance & Evidence