5-Methylthiophene-2-sulfonyl chloride → N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)-5-methylthiophene-2-sulfonamide

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Reaction Steps

According to the general procedure B, 5,6-difluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamine was reacted with 5-methylthiophene-2-sulfonyl chloride to obtain the title compound. 1H NMR (300 MHz, CDCl3); δ 7.34 (dd, J=0.9 & 10.2 Hz, 1H), 7.30 (ddd, J=2.1, 4.8 & 9.0 Hz, 1H), 7.25 (d, J=3.9 Hz, 1H), 7.07 (m, 2H), 6.65 (dd, J=1.2 & 3.9 Hz, 1H), 5.89 (dt, J=2.4, 8.7 & 17.4 Hz, 1H), 5.54 (br s, D2O exchangeable, 1H), 2.46 (s, 3H).

Provenance & Evidence