3,4-Dichlorophenyl isocyanate → N-[[(3,4-dichlorophenyl)amino]carbonyl]-2-benzofuransulfonamide

Participants

Reaction Steps

2-Benzofuransulfonamide (7.6 mmol), prepared as described in Example 1, was reacted with 3,4-dichlorophenylisocyanate (7.6 mmol) as described in Method A to obtain 2.4 g of the title product as a solid. 1H NMR (CD3SOCD3): δ9.43 (s, 1 H), 7.88 (d, J =8 Hz, 1 H), 7.85 (s, 1 H), 7.80 (m, 1 H), 7.76 (m, 1 H), 7.59 (dd, J =6, 8 Hz, 1 H), 7.52 (d, J =8 Hz, 1 H), 7.45 (dd, J =6, 8 Hz, 1 H), 7.35 (dd, J =3, 6 Hz, 1 H).

Provenance & Evidence