Sodium Carbonate → N-[3-(3-amino-5-methyl-benzo[1,2,4]triazin-7-yl)-phenyl]-methanesulfonamide

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Reaction Steps

An oven dried 25 mL round bottom flask was charged with 7-bromo-5-methyl-benzo[1,2,4]triazin-3-ylamine (0.889 g, 3.72 mmol, 1 equiv), 3-(methylsulfonylamino) phenyl boronic acid (1.12 g, 5.21 mmol, 1.4 equiv), sodium carbonate (1.57 g, 14.9 mmol, 4 equiv) and tetrakis(triphenylphosphine)palladium(0) (0.43 g, 0.372 mmol, 0.1 equiv). The reactants were flushed with argon and diluted with ethylene glycol dimethyl ether (20 mL), ethanol (5 mL) and DI water (5 mL). The reaction vessel was outfitted with condenser and refluxed for 4 hours. The reaction was filtered hot and diluted with ethyl acetate. The Organic layer was isolated and concentrated to a dark residue. This was dissolved in DMF (6 mL) and slowly diluted with water so as to precipitate out the product. Solids were filtered off and dried to yield an orange solid (1 g, 82% yield).

Provenance & Evidence