反应详情

2-Mercapto-3-methylbenzoic acid (9.0 g, 54 mmol), acetic anhydride (6.5 g, 63 mmol) and glacial acetic acid (25 ml) were refluxed 1 hour, then poured into dilute hydrochloric acid. The product was filtered and recrystallized from toluene.

1. filtrationThe product was filtered
2. customrecrystallized from toluene