3-(tert-Butylaminosulphonyl)benzeneboronic acid → 3-{4-[4-(4-Chloro-phenyl)-6-methyl-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide

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3-{4-[4-(4-Chloro-phenyl)-6-methyl-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide was prepared from 4-(4-chloro-phenyl)-2-(2-chloro-pyridin-4-yl)-6-methyl-pyrimidine (example E.45) (0.32 g, 1.0 mmol) and commercially available 3-(tert.-butylsulfamoyl)-phenylboronic acid (0.31 g, 1.2 mmol) according to the general procedure VI. Obtained as a light brown solid (0.47 g), which was subsequently deprotected.

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