Hydrochloric Acid → 216959-72-7

Participants

Reaction Steps

To a solution of 1-(5-chlorobenzofuran-2-sulfonyl)-4-formylpiperazine (405 mg) in ethanol (15 ml) was added concentrated hydrochloric acid (1 ml), and the mixture was heated for 30 minutes under reflux. The solid obtained by concentration was washed with ethyl acetate and dried to give a colorless solid of the title compound (312 mg).

Provenance & Evidence