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

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Reaction Steps

3-{4-[4-Trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide was prepared from 2-(2-chloro-pyridin-4-yl)-4-trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidine (example B.4) (0.81 g, 2.0 mmol) and commercially available 3-(tert.-butylsulfamoyl)-phenylboronic acid (0.62 g, 2.4 mmol) according to the general procedure III. Obtained as off-white solid (0.71 g), which was subsequently deprotected.

Provenance & Evidence