Trimethylsilyl iodide → HCID 178434305, compound

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Reaction Steps

2-Methylsulfonyl-N-(3-methyl-1H-indazol-5-yl)benzenesulfonamide can be obtained as described in Example 6 from 1.45 g of N-(N-tert-butoxycarbonyl-3-methyl-1H-indazol-5-yl)-2-methylsulfonylbenzenesulfonamide, 12.6 ml of chloroform and 0.44 ml of iodotrimethylsilane. 0.35 g of 2-methylsulfonyl-N-(3-methyl-1H-indazol-5-yl)benzenesulfonamide is thus obtained in the form of a white solid melting above 260° C. (analysis: C15H15N3O4S2 % calculated C, 49.30; H, 4.14; N, 11.50; O, 17.51; S, 17.55. % found C, 48.99; H, 4.45; N, 11.67; S, 17.23).

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