Sulfuric Acid → HCID 59152579, compound

Participants

Reaction Steps

To a solution of 1-(2-bromobenzoyl)-4-phenylthiosemicarbazide (250 mg, 0.71 mmol; Reference Compound 5-(6)) in ethanol (2.5 mL) was added concentrated sulfuric acid (0.5 mL) at room temperature, and then the mixture was refluxed for 30 minutes. The reaction solution was poured into ice water and the precipitated solid was filtered off. The solid was dried under a reduced pressure at 60° C. to give 210 mg (87%) of the titled compound as a colorless solid.

Provenance & Evidence