反应详情

2-Thiophenesulfonamide (1.55 g, 9.5 mmole) was combined with 3,4-dichlorophenyl isocyanate (1.79 g, 9.5 mmole), 1N NaOH (9.5 ml) and acetone (25 ml) followed by 1N HCl (9.5 ml) using the method of Example 4B to give the named product (1.3 g).