p-Bromobenzenesulfonyl chloride → 3-{[(4-Bromophenyl)sulfonyl]amino}-2-methylbenzoic acid

関与物質

反応手順

The title compound was prepared using a method analogous to Method A, using 4-bromobenzene sulfonyl chloride, 3-amino-2-methylbenzoic acid, and a large excess of pyridine. The title compound was precipitated on partition of the reaction mixture between dilute HCl and DCM. The precipitate was collected by filtration, dissolved in ethyl acetate and dried. Evaporation of the solvent gave the title compound as a pale brown solid.

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