反应详情

The procedure of Example 4B was followed with the 3-methyl-2-thiophenesulfonamide (1.6 g, 9.0 mmole), 1N NaOH (9.0 ml), acetone (10 ml), 4-chlorophenyl isocyanate (1.4 g, 9.2 mmole), 1N HCl (9.5 ml) to provide the named product (1.7 g).