4-Methoxybenzenesulfonyl chloride → (S)-N-(5-(4-Amino-6-((1-(5-methyl-4-oxo-3-phenyl-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)ethyl)amino)pyrimidin-5-yl)pyridin-3-yl)-4-methoxybenzenesulfonamide

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Reaction Steps

(S)-2-(1-((6-Amino-5-bromopyrimidin-4-yl)amino)ethyl)-5-methyl-3-phenylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (65 mg, 0.15 mmol) was treated with 4-methoxy-N-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)benzenesulfonamide (87 mg, 0.22 mmol, prepared from 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinamine, as described in WO 2009155527 A2 20091223, and 4-methoxybenzene-1-sulfonyl chloride according to the method described In Preparation 15b), 2M sodium carbonate (221 μl, 0.44 mmol) and tetrakis(triphenylphosphino)palladium(0) (9 mg, 0.01 mmol) according to the method described in Example 3 to give 92 mg (76% yield) of the title compound as a solid. Purity 53%.

Provenance & Evidence