Chlorosulfonic acid → 5-(Chlorosulfonyl)-3-iodo-2-methylbenzoic acid

Participants

Reaction Conditions

Reaction Steps

A round bottom flask was charged with chlorosulfonic acid (3.80 mL, 57.2 mmol), and 3-iodo-2-methylbenzoic acid (5.00 g, 19.1 mmol) was added in portions at 0° C. The reaction was heated at 95° C. for two hours and then stirred at room temperature overnight. The reaction mixture was poured onto ice and the solids formed were collected and dried to afford the desired product as a white solid.

Provenance & Evidence