Ethenesulfonyl chloride, 2-phenyl- → N-[2-({[(E)-2-Phenylethenyl]sulfonyl}amino)-5-(1-piperazinyl)phenyl]benzenesulfonamide

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Reaction Steps

N-[2-({[(E)-2-Phenylethenyl]sulfonyl}amino)-5-(1-piperazinyl)phenyl]benzenesulfonamide was synthesized from N-{2-amino-5-(4-t-butyloxycarbonyl-piperazinyl)-phenyl}benzenesulfonamide and β-styrenesulfonylchloride (48 mg, 0.239 mmol according to general method 3 to give before Boc-deprotection 160 mg of a purple solid. MS (posES-FIA) m/z=Found: 499.2; Calcd 499.14; 1H-NMR δ 8.26 (d, 1H), 8.04 (d, 1H), 7.75–7.38 (m, 8H), 7.22 (d, 1H, J=15.4 Hz), 7.16 (d, 1H), 6.97 (d, 1H), J=15.4 Hz), 6.78 (dd, 1H), 6.68 (d, 1H), 3.68 (app t, 2H), 3.39 (app t, 2H), 3.28–3.21 (m, 4H).

Provenance & Evidence