4-Methylphenyl isocyanate → N-[[(4-methylphenyl)amino]carbonyl]-2-benzofuransulfonamide

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Reaction Steps

2-Benzofuransulfonamide (7.6 mmol), prepared as described in Example 1, was reacted with 4-methylphenylisocyanate (7.6 mmol) as described in Method A to obtain 1.6 g of the title product as a solid. 1H NMR (CD3SOCD3): δ8.91 (s, 1 H), 7.87 (d, J =8 Hz, 1 H), 7.81 (s, 1 H), 7.76 (d, J =8 Hz, 1 H), 7.57 (dd, J =8, 8 Hz, 1 H), 7.42 (dd, J =8, 8 Hz, 1 H), 7.28 (d, J =9 Hz, 2 H), 7.07 (d, J =9 Hz, 2 H), 2.23 (s, 3 H). Analysis for C16H14N2O4S:

Provenance & Evidence