Intermediate and method for preparing (3-trifluoromethylsulfonyl) -N- [4-methyl-3- (4-pyridin-3-yl-pyrimidin-2-ylamino) -phenyl] benzamide using the intermediate
A method of preparing (3-trifluoromethylsulfonyl)-N-[4-methyl-3-nitrophenyl]-benzamide, the method comprising: providing a compound of formula VI, (3-trifluomethylsulfonyl) benzoyl chloride; condensing 4-methyl-3-nitro-aniline with the compound of formula (VI) at 30 to 40°C in chlorohydrocarbon solvent with aqueous alkali addition to obtain a compound of formula (III) (3-trifluoromethylsulfonyl)-N-[4-methyl-3-nitrophenyl]-benzamide.